Mr Duguid said investigations were continuing, involving a consultant neurologist and consultant cardiologist.

BBC: Woman, 94, denies causing death of cyclist Elaine Dunne

"We can confirm that the 10 American citizens remain in custody in Haiti, " said State Department deputy spokesman Gordon Duguid.

CNN: U.S. missionaries charged with kidnapping in Haiti

Mr Duguid, 51, denied attempting to rob and murder Mr Gillespie, who died in hospital a week after the incident.

BBC: Man in court over Stirling war hero John Gillespie's death

Defence QC Ian Duguid said she pleaded not guilty to the charge.

BBC: Woman, 94, denies causing death of cyclist Elaine Dunne

At the High Court in Edinburgh, James Duguid was accused of setting upon 88-year-old John Gillespie, by the river Forth in Stirling on 19 April.

BBC: Man in court over Stirling war hero John Gillespie's death

Mr Duguid said Saleem insisted she had left the country because of the prospect of her sister facing court action in relation to a child custody case.

BBC: Barn Park after the fire

Mr Duguid is accused of demanding that the pensioner hand over his wallet before pushing and pulling him at the underpass at the junction of Lovers Walk and Riverside in the town.

BBC: Man in court over Stirling war hero John Gillespie's death

Mr Duguid, from Raploch, Stirling, pleaded not guilty to a charge of murder and not guilty to another charge of attempting to defeat the ends of justice, by putting the walking stick in undergrowth after the attack.

BBC: Man in court over Stirling war hero John Gillespie's death