A British grandmother facing the death penalty for drug smuggling in Bali has lodged an appeal at Indonesia's Supreme Court, human rights campaigners said.

Lindsay Sandiford was sentenced to death by firing squad by a court in Indonesia for bringing £1.6 million of cocaine into the country.

The 56-year-old lost her first appeal against the ruling at the Bali High Court last month but has now launched a second bid to overturn the death penalty at the higher court, pressure group Reprieve said.

sandiford

Lindsay June Sandiford fans herself as she arrives at the courthouse for a hearing in Denpasar, Bali island, Indonesia

Sandiford could seek a judicial review if the Supreme Court rejects her appeal though this would largely depend on whether new evidence had come to light.

After that, her final resort would be to seek a reprieve granted by the country's president.

Balinese police claim Sandiford, from Cheltenham in Gloucestershire, was at the centre of a drugs-importing ring involving three other Britons.

She denies the allegations, claiming she was forced to transport the drugs to protect her children, whose safety was at stake.

Sandiford's latest move comes after she lost her appeal over a UK Government refusal to fund her legal challenge.

But she has accrued more than £10,000 from public donations through a fundraising web page.

Sandiford, originally from Redcar, Teesside, was arrested at Bali's airport last May after 4.8kg (10.6lb) of cocaine was found in the lining of her suitcase during a routine customs check.

She was later accused of damaging the image of Bali and received the death sentence following her trial. The penalty was imposed despite prosecutors asking only for a 15-year jail term.

A panel of judges, headed by Amser Simanjuntak, concluded the Brit had damaged the image of Bali as a tourism destination and weakened the government's programme of drug annihilation, and she has since lost another appeal to the High Court.

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  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL

    Lindsay June Sandiford (2nd R) of Britain arrives at a court in Denpasar on January 7, 2013. Indonesian prosecutors recommended a 15-year prison term on December 20, 2012 for the British grandmother accused of trafficking in cocaine on the resort island of Bali. Sandiford, 56, was arrested at Denpasar airport in May with 4.79 kilograms (10.6 pounds) of cocaine stashed in the lining of her suitcase. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL

    Lindsay June Sandiford (2nd R) of Britain arrives at a court in Denpasar on January 7, 2013. Indonesian prosecutors recommended a 15-year prison term on December 20, 2012 for the British grandmother accused of trafficking in cocaine on the resort island of Bali. Sandiford, 56, was arrested at Denpasar airport in May with 4.79 kilograms (10.6 pounds) of cocaine stashed in the lining of her suitcase. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL

    Lindsay June Sandiford (2nd R) of Britain arrives at a court in Denpasar on January 7, 2013. Indonesian prosecutors recommended a 15-year prison term on December 20, 2012 for the British grandmother accused of trafficking in cocaine on the resort island of Bali. Sandiford, 56, was arrested at Denpasar airport in May with 4.79 kilograms (10.6 pounds) of cocaine stashed in the lining of her suitcase. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL

    Lindsay June Sandiford (R) of Britain attends a court session in Denpasar on January 7, 2013. Indonesian prosecutors recommended a 15-year prison term on December 20, 2012 for the British grandmother accused of trafficking in cocaine on the resort island of Bali. Sandiford, 56, was arrested at Denpasar airport in May with 4.79 kilograms (10.6 pounds) of cocaine stashed in the lining of her suitcase. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL

    Lindsay June Sandiford (R) of Britain attends a court session in Denpasar on January 7, 2013. Indonesian prosecutors recommended a 15-year prison term on December 20, 2012 for the British grandmother accused of trafficking in cocaine on the resort island of Bali. Sandiford, 56, was arrested at Denpasar airport in May with 4.79 kilograms (10.6 pounds) of cocaine stashed in the lining of her suitcase. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL-VERDICT

    Lindsay June Sandiford (R) of Britain attends her trial at a court in Denpasar on the Indonesian resort island of Bali on January 22, 2013. An Indonesian court on January 22 sentenced a 56-year-old British grandmother to death for smuggling cocaine into the resort island of Bali. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL-VERDICT

    Lindsay June Sandiford (C) of Britain walks from a holding cell to the court room before her trial in Denpasar on the Indonesian resort island of Bali on January 22, 2013. An Indonesian court on January 22 sentenced 56-year-old Sandiford to death for smuggling cocaine into the resort island of Bali. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL-VERDICT

    Lindsay June Sandiford (C) of Britain reacts as she attends her trial at a court in Denpasar on the Indonesian resort island of Bali on January 22, 2013. An Indonesian court on January 22 sentenced 56-year-old Sandiford to death for smuggling cocaine into the resort island of Bali. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL-VERDICT

    Lindsay June Sandiford (R) of Britain reacts as she attends her trial at a court in Denpasar on the Indonesian resort island of Bali on January 22, 2013. An Indonesian court on January 22 sentenced a 56-year-old British grandmother to death for smuggling cocaine into the resort island of Bali. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL-VERDICT

    Lindsay June Sandiford (L) of Britain is escorted by a prosecutor as she arrives at a court in Denpasar on the Indonesian resort island of Bali on January 22, 2013. An Indonesian court on January 22 sentenced 56-year-old Sandiford to death for smuggling cocaine into the resort island of Bali. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL-VERDICT

    Lindsay June Sandiford (L) of Britain is escorted by a prosecutor as she arrives at a court in Denpasar on the Indonesian resort island of Bali on January 22, 2013. An Indonesian court on January 22 sentenced 56-year-old Sandiford to death for smuggling cocaine into the resort island of Bali. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL-VERDICT

    Lindsay June Sandiford (R) of Britain listens from her interpreter (L) during trial at a court in Denpasar on the Indonesian resort island of Bali on January 22, 2013. An Indonesian court on January 22 sentenced 56-year-old Sandiford to death for smuggling cocaine into the resort island of Bali. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL

    Lindsay June Sandiford (C) of Britain covers herself with fabric before her trial at a court in Denpasar on the Indonesian resort island of Bali on December 20, 2012. Indonesian prosecutors have recommended a 15-year prison sentence for Sandiford, who was arrested in May, 2012 with 4.79 kilograms (10.6 pounds) of cocaine after allegedly attempting to smuggle it into the island. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS-TRIAL

    Lindsay June Sandiford (R) of Britain listens to her interpreter (L) during her trial at a court in Denpasar on the Indonesian resort island of Bali on December 20, 2012. Indonesian prosecutors have recommended a 15-year prison sentence for Sandiford, who was arrested in May, 2012 with 4.79 kilograms (10.6 pounds) of cocaine after allegedly attempting to smuggle it into the island. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Lindsay June Sandiford (L) of Britain listens as fellow Briton Julian Anthony Ponder (R) testifies during Sandiford's trial at a court in Denpasar on the Indonesian resort island of Bali on November 28, 2012. Sandiford was arrested in May upon arrival at the resort island's airport in Denpasar from Bangkok after customs officials allegedly found 4.79 kilograms (10.6 pounds) of cocaine in the lining of her suitcase while Julian Anthony Pounder is accused of willingly receiving the drugs. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Lindsay June Sandiford (L) of Britain covers her face as fellow Briton Julian Anthony Ponder (R) testifies during Sandiford's trial at a court in Denpasar on the Indonesian resort island of Bali on November 28, 2012. Sandiford was arrested in May upon arrival at the resort island's airport in Denpasar from Bangkok after customs officials allegedly found 4.79 kilograms (10.6 pounds) of cocaine in the lining of her suitcase while Julian Anthony Pounder is accused of willingly receiving the drugs. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Lindsay June Sandiford (L) of Britain listens as fellow Briton Julian Anthony Ponder (not pictured) testifies during Sandiford's trial at a court in Denpasar on the Indonesian resort island of Bali on November 28, 2012. Sandiford was arrested in May upon arrival at the resort island's airport in Denpasar from Bangkok after customs officials allegedly found 4.79 kilograms (10.6 pounds) of cocaine in the lining of her suitcase while Julian Anthony Pounder is accused of willingly receiving the drugs. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/Getty Images)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Britain's Lindsay June Sandiford, 56, covers herself while inside a holding cell after her trial at a court in Denpasar on the Indonesian resort island of Bali on October 4, 2012. Sandiford's trial, who is accused of smuggling five kilogrammes (11 pounds) of cocaine into Indonesia, opened on September 27 but was adjourned because she was not accompanied by a lawyer. The 56-year-old Briton was arrested in May on arrival at the Denpasar airport on the resort island of Bali after the drug was allegedly found in her bag. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Britain's Lindsay June Sandiford (R), 56, listens to her interpreter as she attends her trial at a court in Denpasar on the Indonesian resort island of Bali on October 4, 2012. Sandiford's trial, who is accused of smuggling five kilogrammes (11 pounds) of cocaine into Indonesia, opened on September 27 but was adjourned because she was not accompanied by a lawyer. The 56-year-old Briton was arrested in May on arrival at the Denpasar airport on the resort island of Bali after the drug was allegedly found in her bag. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Britain's Lindsay June Sandiford (L), 56, gestures as she attends her trial at a court in Denpasar on the Indonesian resort island of Bali on October 4, 2012. Sandiford's trial, who is accused of smuggling five kilogrammes (11 pounds) of cocaine into Indonesia, opened on September 27 but was adjourned because she was not accompanied by a lawyer. The 56-year-old Briton was arrested in May on arrival at the Denpasar airport on the resort island of Bali after the drug was allegedly found in her bag. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)

  • INDONESIA-BRITAIN-DRUGS-TRIAL

    Britain's Lindsay June Sandiford (L), 56, wipes her face during her trial at a court in Denpasar on Indonesia's resort island of Bali on september 27, 2012. Sandiford was arrested on May 19 allegedly carrying 4.7 kilograms of cocaine in her luggage at Bali International Airport. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Britain's Lindsay June Sandiford (L), 56, is escorted by a police officer before her trial at a court in Denpasar on Indonesia's resort island of Bali on september 27, 2012. Sandiford was arrested on May 19 allegedly carrying 4.7 kilograms of cocaine in her luggage at Bali International Airport. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Britain's Lindsay June Sandiford (L), 56, attends her trial at a court in Denpasar on Indonesia's resort island of Bali on september 27, 2012. Sandiford was arrested on May 19 allegedly carrying 4.7 kilograms of cocaine in her luggage at Bali International Airport. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Britain's Lindsay June Sandiford, 56, attends her trial at a court in Denpasar on Indonesia's resort island of Bali on september 27, 2012. Sandiford was arrested on May 19 allegedly carrying 4.7 kilograms of cocaine in her luggage at Bali International Airport. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)

  • INDONESIA-BRITAIN-CRIME-DRUGS

    Britain's Lindsay June Sandiford, 56, attends her trial at a court in Denpasar on Indonesia's resort island of Bali on september 27, 2012. Sandiford was arrested on May 19 allegedly carrying 4.7 kilograms of cocaine in her luggage at Bali International Airport. AFP PHOTO / SONNY TUMBELAKA (Photo credit should read SONNY TUMBELAKA/AFP/GettyImages)