Images of the OSCE (Organization for Security and Co-operation in Europe) mission in Donetsk, the main city of the self-proclaimed Donetsk's People Republic, controlled by pro-Russian separatists in eastern Ukraine. The OSCE said in a statement that "certain participating states" had told their citizens at the mission to leave Donetsk within the next days. It did not name the countries but said the mission would carry on with its work. STOCKSHOTS