Historian Irina Karatsuba, left, and philologist Yelena Volkova are detained by police agents for an attempt to conduct an unauthorized event in the Cathedral of Christ the Savior on the anniversary of a punk supplicatory prayer by Pussy Riot band.

21.02.2013#1385374

Historian Irina Karatsuba, right, and philologist Yelena Volkova are detained by police agents for an attempt to conduct an unauthorized event in the Cathedral of Christ the Savior on the anniversary of a punk supplicatory prayer by Pussy Riot band.

21.02.2013#1385373

Historian Irina Karatsuba, foreground right, and philologist Yelena Volkova are detained by police agents for an attempt to conduct an unauthorized event in the Cathedral of Christ the Savior on the anniversary of a punk supplicatory prayer by Pussy Riot band.

21.02.2013#1385372