The International Community is calling for calm as things continue to unravel in ukraine. A trust there is in tatters, the fighting has left scores dead, more injured. Andrew simonds reports from kiev. Reporter confrontation again. The police are retreating from the area of the square they took on tuesday. They accuse the protesters of attacking with guns after setting fire to a bus. Intensive fighting followed. Within minutes Independence Square has turned into a war zone. The police were picking their targets, and using snipers. Even under fire the protesters seemed determined not to lose ground no matter how many casualties they took, and there were many. Here a hotel inundated with injured people. Medics doing what they could under these conditions. In the square outside, the protest movement seemed more like a war machine with people marching with bags full of rocks. Once again the square is a battle zone. The trust seemed tenuous from the outset and now the front line has moveded