A woman cries inside the Trade Union building as people are let inside after a planned protest, in the South-Ukrainian city of Odessa, Ukraine, 04 May 2014. At least 31 people died in a fire that broke out during clashes between pro-Ukrainian and pro-Russian protesters at the Trade Union building in Odessa on May 2, 2014. Apart from the fire death toll, the fighting left four people dead and 40 injured, police said.