The House of Representatives has voted 215-208 to end U.S. involvement in the Iran war.The vote June 3, which was mostly symbolic, marked a new period of congressional unease with the conflict in the Middle East amid an impasse in peace negotiations. Strikes in the region have continued in recent days despite the White House's assertion to lawmakers that hostilities have ended.Four Republicans crossed party lines to support the Democrats' resolution, which would reassert the legislative branch's war authority and block further military action. The defectors were Reps. Thomas Massie of Kentucky, Tom Barrett of Michigan, Warren Davidson of Ohio and Brian Fitzpatrick of Pennsylvania."The People’s House is sending a message: End this war," Massie, a noted political enemy of Trump's despite sharing the same party, wrote online.How the House votedCan't see our graphics? Click here.The president wasted little time bashing Massie and the other three GOP congressmen, writing in a social media post the morning after the vote that they were "bad Republicans.""Who would do such an unpatriotic thing?" he wrote. "They know where the negotiations stand."Subscribe to On Politics: Stay ahead of the midterms with our daily politics newsletter.One Democrat, Rep. Jared Golden of Maine, had voted no but flipped to support the measure.Seven representatives − six Republicans and one Democrat − did not cast a vote, which came after the Senate advanced a similar measure two weeks before."House Democrats successfully passed our war powers resolution today to stand up for the American people and hold Donald Trump accountable," said the top House Democrats, including Minority Leader Hakeem Jeffries, in a statement. "It is now time for Senate Republicans to do the right thing."Earlier in the day, Republican House Speaker Mike Johnson continued to back the president's military campaign in Iran despite the unease within his own party.The president is "trying to prevent the largest sponsor of state terrorism from having a nuclear weapon," he said. "The first responsibility of the commander in chief is to keep the country safe. He has done that. He's demonstrated it every day."