Steve Parsons/PA Wire.
The Ukrainian Cossack Stunt team perform during day seven of the Olympia London International Horse Show at the Olympia Exhibition Centre, London on Monday
A Cossack guard stands in front of Crimea’s regional parliament building in Simferopol
A Cossack militiaman attacks Nadezhda Tolokonnikova as she and fellow members of the punk band Pussy Riot, including Maria Alekhina, centre, in the pink balaclava, stage a protest performance in Sochi, Russia. The group had gathered in a downtown restaurant, about 30km from where the Winter Olympics are being held.