(BBC) The UK acted unlawfully by passing evidence to the US that could lead to the execution of two British members of an Islamic State murder squad.
The Supreme Court said former Home Secretary Sajid Javid should not have passed information on Shafee Elsheikh and Alexander Kotey to the US.
Lord Kerr said the seven justices concluded the decision in 2018 breached the UK’s strict data protection laws.
The Londoners, linked to 27 murders, are in US custody in Iraq.
Along with two other British men, they formed a foursome known as “The Beatles,” allegedly helping to kidnap, torture and murder hostages.