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Jailed Pussy Riot member 'missing in Siberia'

8 November 2013 Last updated at 09:49 GMT

The husband and supporters of a jailed Pussy Riot band member are trying to find her in Russia's Siberian prison camp system on her 24th birthday.

Nadezhda Tolokonnikova is being transferred to a different prison but her husband Pyotr Verzilov says he has heard nothing from her for 19 days.

Steve Rosenberg reports.