Poland's PM says Hungary shares EU Council info with Russia. Tensions between Poland and Hungary over EU aid to Ukraine and Russia ties. Hungary's ruling party Tisza leads three weeks before elections. Calls during EU Council breaks relayed meeting details. Hungarian FM updates Russian FM on EU discussions. Tusk limits remarks due to Hungary's alleged info sharing. Szijjártó calls claims 'fake news' and accuses Tusk of lying. Washington Post cited officials including Orbán, Szijjártó, and Lavrov