FUR010. Odessa (Ukraine), 03/05/2014.- Flowers left by people in memory of those who died are seen on the staircase of the trade union building in the South-Ukrainian city of Odessa, 03 May 2014. At least 31 people died in a fire that broke out in a trade union building during clashes 02 May in Odessa, while a Ukrainian military push against separatists in eastern Ukraine stalled after two helicopters were shot down. Apart from the fire death toll, the fighting left at four people dead and 40 injured, police said. (Ucrania) EFE/EPA/ALEXEY FURMAN