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.