Former Pussy Riot members Maria Alyokhina and Nadezhda Tolokonnikova say they have been arrested in the Russian resort of Sochi where the Winter Olympics are being held.
Maria Alyokhina and Nadezhda Tolokonnikova, who were freed from jail in December, said they had been detained in the centre of the town on suspicion of a criminal offence.
They spent two years in prison for a protest song in a Moscow cathedral.
The town of Sochi is some distance from where the Games are taking place.
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