By Francesco Guarascio and Gabriela Baczynska PARIS/BRUSSELS (Reuters) -The European Union announced fresh sanctions against Russia and its ally Belarus on Wednesday but EU leaders are set to rebuff Kyiv’s appeal for accelerated membership of the bloc when they meet on Thursday to discuss Russia’s war in Ukraine. The 27-nation EU blacklisted 14 more oligarchs and froze ties with Belarus’ central bank and top lenders there, the executive European Commission said on the 14th day of a war that has sent two million Ukrainians fleeing abroad. Speaking ahead of the leaders’ summit on Thursday and Fr…