Landmark Decision of the Day |US Guantanamo tribunals 'illegal'

The US Supreme Court has ruled that the Bush administration does not have the authority to try terrorism suspects by military tribunal.

Justices upheld the challenge by Osama Bin Laden's ex-driver to his trial at Guantanamo, saying the proceedings violated Geneva Conventions.

The ruling is seen as a major blow to President George W Bush - but it does not order the closure of Guantanamo. In the short-term at least, the prisoners remain in legal limbo.