Masked police personnel leave Tottenham (01 of07)
Open Image ModalMasked police personnel leave Tottenham Court Road in central London on April 27, 2012, after a man was arrested after causing a disturbance in an office building in central London. Police arrested a man who witnesses said had threatened to blow himself up in an office building in central London, forcing a busy shopping street to be sealed off in a three-hour standoff on Friday. AFP PHOTO / MIGUEL MEDINA (Photo credit should read MIGUEL MEDINA/AFP/GettyImages) (credit:Getty)
Armed Police Tackle Hostage Situation In Central London(02 of07)
Open Image ModalLONDON, ENGLAND - APRIL 27: An armed police officer in Tottenham Court Road prepares himself during a suspected hostage situation on April 27, 2012 in London, England. The busy shopping street in central London was evacuated after a 50-year-old man, named as Michael Green, arrived in the offices of Advantage HGV (Heavy Goods Vehicle) 'strapped up with gasoline cylinders, and threatened to blow up the office'. According to reports the man, who began to throw computers and other office equipment from the office window, failed a HGV training course and demanded his money back. The siege ended following the arrest of the man and no harm to any hostages. (Photo by Oli Scarff/Getty Images) (credit:Getty)
Members of the public gather on Tottenha(03 of07)
Open Image ModalMembers of the public gather on Tottenham Court Road in central London on April 27, 2012, as police seal off the street amid reports of an armed man causing a disturbance. At least a dozen emergency vehicles with lights flashing could be seen blocking off Tottenham Court Road in London, AFP reporters said. AFP PHOTO / DANIEL SORABJI (Photo credit should read MIGUEL MEDINA/AFP/GettyImages) (credit:Getty)
Armed Police Tackle Hostage Situation In Central London(04 of07)
Open Image ModalLONDON, ENGLAND - APRIL 27: Armed police officer on the scene where a man threaten to blow himself up in an office building on Tottenham Court Road on April 27, 2012 in London, England. The busy shopping street in central London was evacuated after a 50-year-old man, named as Michael Green, arrived in the offices of Advantage HGV (Heavy Goods Vehicle) 'strapped up with gasoline cylinders, and threatened to blow up the office'. According to reports the man, who began to throw computers and other office equipment from the office window, failed a HGV training course and demanded his money back. The siege ended following the arrest of the man and no harm to any hostages. (Photo by Oli Scarff/Getty Images) (credit:Getty)
Armed Police Tackle Hostage Situation In Central London(05 of07)
Open Image ModalLONDON, ENGLAND - APRIL 27: A man throws a computer monitor from an upper floor window during a hostage situation on Tottenham Court Road on April 27, 2012 in London, England. The busy shopping street in central London was evacuated after a 50-year-old man, named as Michael Green, arrived in the offices of Advantage HGV (Heavy Goods Vehicle) 'strapped up with gasoline cylinders, and threatened to blow up the office'. According to reports the man, who began to throw computers and other office equipment from the office window, failed a HGV training course and demanded his money back. The siege ended following the arrest of the man and no harm to any hostages. (Photo by Oli Scarff/Getty Images) (credit:Getty)
Armed Police Tackle Hostage Situation In Central London(06 of07)
Open Image ModalLONDON, ENGLAND - APRIL 27: Armed police officers on the scene where a man threaten to blow himself up in an office building on Tottenham Court Road on April 27, 2012 in London, England. The busy shopping street in central London was evacuated after a 50-year-old man, named as Michael Green, arrived in the offices of Advantage HGV (Heavy Goods Vehicle) 'strapped up with gasoline cylinders, and threatened to blow up the office'. According to reports the man, who began to throw computers and other office equipment from the office window, failed a HGV training course and demanded his money back. The siege ended following the arrest of the man and no harm to any hostages. (Photo by Dan Kitwood/Getty Images) (credit:Getty)
Armed Police Tackle Hostage Situation In Central London(07 of07)
Open Image ModalLONDON, ENGLAND - APRIL 27: Armed police officers on the scene where a man threaten to blow himself up in an office building on Tottenham Court Road on April 27, 2012 in London, England. The busy shopping street in central London has been evacuated after an unidentified 49-year-old man arrived in the offices of Advantage HGV (Heavy Goods Vehicle) 'strapped up with gasoline cylinders, and threatened to blow up the office'. According to reports the man, who began to throw computers and other office equipment from the office window, failed a HGV training course and demanded his money back. The siege has recently ended following the arrest of the man. (Photo by Oli Scarff/Getty Images) (credit:Getty)