[Warning: some video scenes may be distressing to some viewers]
Two of the five militants behind the terror plot on Jakarta on Thursday have been caught on camera blowing themselves up as part of a Paris "imitation" attack that left seven dead.
Video footage shows the duo taking shelter beside a car, as smoke rises behind them, seemingly from a device that has failed to detonate. Seconds later a bomb goes off in a ball of orange flames. The duo are then no longer visible.
The bomb was one of six set off by militants, in a plot that included attacks near a Starbucks cafe and the Sarinah shopping mall near the presidential palace and a number of gun-fights. Other explosives were set up near the United Nations offices in central Jakarta, along with three others in the Cikni, Silpi and Kuningan neighbourhoods, near the Turkish and Pakistani embassies.
The moment two of the militants set off an explosive was caught on video
Police said a further 10 people were injured in the attacks, which followed recent warnings of action from the Islamic State (IS).
General Anton Charilyan, a national police spokesman, said the attacks involved an unknown number of assailants with grenades and guns. He said they "imitated" the recent terror acts in Paris, on November 13 in which 120 people were killed, and were likely from IS, but gave no evidence.
No one immediately claimed responsibility for Thursday's attack on Thamrin Street, however, Aamaq, a news agency affiliated with IS, quoted an unidentified source as saying the militant group carried out the attack.
"A source to Aamaq: Fighters from the Islamic State carried out this morning an armed attack that targeted foreigners and the security forces tasked with protecting them in the Indonesian capital Jakarta," it said.
President Joko "Jokowi" Widodo said on local television: "This act is clearly aimed at disturbing public order and spreading terror among people."
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Jakarta rocked by terror attack
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Indonesian policemen guard the blast site after a series of explosions hit the Indonesia capital on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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An Indonesian policeman wearing a protective bomb suit approaches bomb damaged traffic police outposts after a series of explosions hit central Jakarta on January 14, 2016 (credit:ROMEO GACAD via Getty Images)
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Armed Indonesian police commandos take cover behind an armored vehicle outside a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016 (credit:ROMEO GACAD via Getty Images)
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Indonesian armed military patrol the area near cafe after a series of blasts hit Jakarta on January 14, 2016. An attack on Jakarta is over and no more perpertators are at large, police said on January 14, after gunfire and explosions left seven dead in the Indonesian capital (credit:BAY ISMOYO via Getty Images)
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Armed Indonesian police commandos arrive in the area outside a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016 (credit:ROMEO GACAD via Getty Images)
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An Indonesian policeman stands guard as police exchange shots with armed men in Jakarta on January 14, 2016. An attack on Jakarta is over and no more perpertators are at large, police said on January 14, after gunfire and explosions left seven dead in the Indonesian capital (credit:ADEK BERRY via Getty Images)
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Indonesian policemen arrive to enter a building as armed men exchange shots with police in Jakarta on January 14, 2016. An attack on Jakarta is over and no more perpertators are at large, police said on January 14, after gunfire and explosions left seven dead in the Indonesian capital (credit:ADEK BERRY via Getty Images)
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Armed Indonesian police commandos arrive at the area outside a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016 (credit:ROMEO GACAD via Getty Images)
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K-9 policemen arrive with a sniffer dog after police exchanged shots with armed men in Jakarta on January 14, 2016 (credit:ADEK BERRY via Getty Images)
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Indonesian police commandos arrive near a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016. An assault on Jakarta is over and no more perpetrators are at large, police said on January 14, after gunfire and explosions left five attackers and two civilians dead in the Indonesian capital (credit:ROMEO GACAD via Getty Images)
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Indonesian policemen guard the blast site after a series of explosions hit the Indonesia capital on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices. (credit:Oscar Siagian via Getty Images)
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Indonesian police commandos secure the area outside a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016. Gunfire and explosions in the Indonesian capital Jakarta killed at least six people on January 14 in what the country's president dubbed 'acts of terror', with fears that militants were still on the run. Starbucks announced in a statement that the company was closing all of its Jakarta branches 'until further notice' after one of its stores in the Indonesian capital was hit by apparent suicide attacks (credit:ROMEO GACAD via Getty Images)
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Indonesian police commandos secure the area outside a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016. Gunfire and explosions in the Indonesian capital Jakarta killed at least six people on January 14 in what the country's president dubbed 'acts of terror', with fears that militants were still on the run. Starbucks announced in a statement that the company was closing all of its Jakarta branches 'until further notice' after one of its stores in the Indonesian capital was hit by apparent suicide attacks (credit:ROMEO GACAD via Getty Images)
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An Indonesian policeman gestures as police exchange shots with armed men in Jakarta on January 14, 2016 (credit:ADEK BERRY via Getty Images)
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Indonesian armed police clear the area near a Starbucks after a series of blasts hit Jakarta on January 14, 2016. An attack on Jakarta is over and no more perpertators are at large, police said on January 14, after gunfire and explosions left seven dead in the Indonesian capital (credit:BAY ISMOYO via Getty Images)
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Indonesian policemen guard the blast site after a series of explosions hit the Indonesia capital on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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Indonesian policemen stand guard at the entrance of a Jakarta theater, next to a Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016. An assault on Jakarta is over and no more perpetrators are at large, police said on January 14, after gunfire and explosions left five attackers and two civilians dead in the Indonesian capital. AFP PHOTO / ADEK BERRY / AFP / ADEK BERRY (Photo credit should read ADEK BERRY/AFP/Getty Images) (credit:ADEK BERRY via Getty Images)
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A view of the blast site after a series of explosions hit the Indonesia capital on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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Indonesian policemen investigate the blast site after a series of explosions hit the Indonesia capital on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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Armed Indonesian soldiers secure the Soekarno-Hatta airport in Tangerang outside Jakarta on January 14, 2016, following bomb attacks by militants in central Jakarta. An Indonesian organisation with links to the Islamic State group is suspected of carrying out deadly shootings and suicide bombings in Jakarta on January 14, and was thought to be copying November attacks in Paris, police said (credit:STR via Getty Images)
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Two armed Indonesian soldiers secure the Soekarno-Hatta airport in Tangerang outside Jakarta on January 14, 2016, following bomb attacks by militants in central Jakarta. An Indonesian organisation with links to the Islamic State group is suspected of carrying out deadly shootings and suicide bombings in Jakarta on January 14, and was thought to be copying November attacks in Paris, police said (credit:STR via Getty Images)
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Police cover the bodies of civilian victims of terrorist bomb explosion at the traffic police station in Sarina, Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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Police take the bodies of civilian victims of terrorist bomb explosion at the traffic police station to a hospital in Sarina, Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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An Indonesian policeman stands guard in front of a blast site at the Indonesia capital Jakarta on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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Indonesian police take position behind a vehicle as they pursue suspects after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said (credit:BAY ISMOYO via Getty Images)
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Police (L) hide behind vehicles during an exchange of gunfire with suspects hiding near a Starbucks cafe when another blast happens in Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said (credit:BAY ISMOYO via Getty Images)
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Indonesian police take position and aim their weapons as they pursue suspects outside a cafe after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said (credit:BAY ISMOYO via Getty Images)
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Indonesian policemen stand guard in front of Sarinah shopping mall after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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Indonesian police secure the area outside a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016. Gunfire and explosions in the Indonesian capital Jakarta killed at least four people on January 14 in what the country's president dubbed 'acts of terror', with fears that militants were still on the run. Starbucks announced in a statement that the company was closing all of its Jakarta branches 'until further notice' after one of its stores in the Indonesian capital was hit by apparent suicide attacks (credit:ROMEO GACAD via Getty Images)
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Indonesian police officers take security measures near the location of explosions after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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Indonesian police commandos backed by an armored vehicle secure the area outside a damaged Starbucks coffee shop after a series of explosions hit central Jakarta on January 14, 2016. Gunfire and explosions in the Indonesian capital Jakarta killed at least six people on January 14 in what the country's president dubbed 'acts of terror', with fears that militants were still on the run. Starbucks announced in a statement that the company was closing all of its Jakarta branches 'until further notice' after one of its stores in the Indonesian capital was hit by apparent suicide attacks (credit:ROMEO GACAD via Getty Images)
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An Indonesian policeman fires his handgun towards suspects outside a cafe after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said (credit:BAY ISMOYO via Getty Images)
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Bodies lie on the street near a damaged police post after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said (credit:BAY ISMOYO via Getty Images)
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Police chase suspects thought to be hiding at a cafe after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said (credit:BAY ISMOYO via Getty Images)
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Plainclothes police aim their handguns towards suspects outside a cafe after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said (credit:BAY ISMOYO via Getty Images)
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Indonesian police search for suspects after a series blasts hit the Indonesian capital on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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Indonesian police secure the scene next to victims (C-in orange body bags) outside a traffic police outpost after a series of explosions hit central Jakarta on January 14, 2016. Gunfire and explosions in the Indonesian capital Jakarta killed at least four people on January 14 in what the country's president dubbed 'acts of terror', with fears that militants were still on the run (credit:ROMEO GACAD via Getty Images)
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Indonesian policemen and ambulance arrive in front of Sarinah shopping mall after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 in Jakarta, Indonesia. Reports of explosions and gunshots in the centre of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices (credit:Oscar Siagian via Getty Images)
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Indonesian police officers stand guard near the location of explosions after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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Indonesian police officers take security measures near the location of explosions after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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Indonesian police officers take security measures near the location of explosions after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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Indonesian police officers stand guard near the location of explosions after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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Indonesian police officers stand guard near the location of explosions after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016 (credit:Anadolu Agency via Getty Images)
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A group of Indonesian students hold placards during a candlelit protest in Surabaya, Eastern Java island on January 14, 2016, to condemn the blasts and gunfire that rocked Jakarta earlier in the day (credit:JUNI KRISWANTO via Getty Images)
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An Indonesian Muslim woman holds a placard during a candlelit protest in Surabaya, Eastern Java island on January 14, 2016, to condemn the blasts and gunfire that rocked Jakarta earlier in the day (credit:JUNI KRISWANTO via Getty Images)