Burmese migrants who had previously confessed to double murder retract confessions . Lawyer acting for the two says his clients claim they were physically abused by police . Comment: Amnesty International condemns act , calls for independent investigation .
Burmese migrants who had previously confessed to double murder retract confessions . Lawyer acting for the two says his clients claim they were physically abused by police . Police had held a press conference the previous day to deny torturing suspect . Amnesty International condemns act , calls for independent investigation .