And pop stars Chrissie Hynde and Sir Bob Geldof have teamed up with Gilmour to record a song of support.

BBC: How Gary McKinnon became a cause celebre

Peta is one of the world's largest animal rights organisations and its other celebrity supporters include former Baywatch star Pamela Anderson and Chrissie Hynde.

BBC: Goldie's circus elephant ban call

On Saint, Sharleen sounds more like Chrissie Hynde than Chrissie Hynde, on Tell Me The Answer she attends the Marcella Detroit falsetto finishing school and most of the rest passes you by.

BBC: By the BBC's Chris Charles