Iran says US military operation 'impossible' as Trump mulls peace proposal

Iran's Revolutionary Guards on Sunday said the United States faced a choice between an "impossible" military operation or a "bad deal" with Tehran, after President Donald Trump disparaged Iran's latest peace proposal.Negotiations between the two countries have been deadlocked since a ceasefire came into effect on April 8, with only one round of direct peace talks held so far.Iran's Tasnim and Fars news agencies reported that Tehran had submitted a 14-point proposal to mediator Pakistan, but Trump was quick to cast doubt on it.