Yoko Ono
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Yoko Ono: Pussy Riot's 'power of innocence'

17 June 2013 Last updated at 08:04 BST

Members of the Russian protest group Pussy Riot have been in London for a music and arts festival organised by Yoko Ono, called Meltdown.

When Pussy Riot staged a demonstration in the main cathedral in Moscow last year, before the presidential election, they were arrested. Two of their members are still in labour camps.

The Today programme's reporter Nicola Stanbridge met the other two members and Yoko Ono at the festival.

First broadcast on BBC Radio 4's Today programme on Monday 17 June 2013. (Photograph by Griesham Taan.)