By Guy Faulconbridge and Rami Ayyub MOSCOW/WASHINGTON (Reuters) -Russian President Vladimir Putin told U.S. President Donald Trump on Wednesday that he would have to respond to Ukrainian drone attacks on Russia's nuclear-capable bomber fleet,

The Kremlin is hoping that US President Donald Trump will condemn Ukrainian attacks on Russia's strategic bomber fleet. "If we are talking about an international assessment overall, then of course we would prefer to hear at least a sharp condemnation of this act of terror,

The U.S. president is considering involving Moscow in nuclear negotiations with Iran, which have been bilateral until now. It is no secret that Vladimir Putin is furious about the destruction of a significant part of his air fleet after the worst attack since World War II on his bases and the new attack on the Crimean Bridge.