Biggest loser

Mark Roberts, who has streaked all over Britain because he thinks it's good fun and because he has a sense of humour. A "good laugh" he says is the reason he does this sort of thing. Roberts also has two children. The oldest girl says she's now embarrassed going to school and dad doesn't understand why. He is now a honorary member of an exclusive club alongside Damir Dokic, Stefan Capriati, Jim Pierce. . .