BRUSSELS (Reuters) -The European Union will tighten sanctions on Russia, target Russian ally Belarus with measures and fund weapons for Ukraine to help it defend itself against Russia’s invasion, top EU officials said on Sunday. “For the first time ever, the European Union will finance the purchase and delivery of weapons and other equipment to a country that is under attack, European Commission President Ursula von der Leyen said. She said the European Union would close its airspace to Russian aircraft, including the private jets of Russian oligarchs. The bloc will ban Russian state-owned tel…