Gary McKinnon is at risk of suicide, relatives said on Friday after the home secretary rejected an attempt to prevent his extradition to the US.

A British ”UFO eccentric”, wanted in the US for breaking into Nasa and Pentagon computers, lost his latest battle to avoid extradition on Friday.

The British computer hacker Gary McKinnon failed on Saturday in his last-ditch attempt to avoid extradition to the United States.

A UK computer expert accused by the US of ”the biggest military hack of all time” lost an appeal on Thursday and could be extradited within weeks.

A British man accused of hacking into computer systems of the US military and Nasa on Wednesday lost his appeal against extradition to face trial.

When he wakes up on Sunday morning, Gary McKinnon will be 72 hours from learning whether he is on the fast track to a 60-year prison sentence.