Secret British files on CIA rendition flights are 'accidentally destroyed': Accusations of a cover-up after minister admits documents had been 'water damaged'

Secret British files on CIA rendition flights are 'accidentally destroyed': Accusations of a cover-up after minister admits documents had been 'water damaged'

The government denies prisoners flown through the Indian Ocean island of Diego Garcia were interrogated - but key files have been 'water damaged', a minister said.