Cori Crider of the campaign group Reprieve has called on the Foreign Secretary William Hague to do more to ensure the release of Shaker Aamer, the Londoner who is still being held in Guantanamo Bay.
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It's not just London where elections have been taking place today. There were council elections taking place across the home counties.
A list of results for London Mayor and the London Assembly
They said they wouldn't do it. But the Met Police couldn't resist the challenge set by their colleagues in Scotland.