Leading Republicans from the Senate and the House of Representatives lent their support in tweets or in brief statements after Trump announced the strikes in a televised address. But some leading Democrats questioned the legality of the U.S. strikes, saying that only Congress has the constitutional responsibility "for making war."
Among the more bombastic tweets was that of U.S. Senator Lindsey Graham who wrote, "We should apply '3 strikes, you're out' to the butcher of Damascus. He's a monster. He should be considered a war criminal and legitimate military target."
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U.S. Senator Elzabeth Warren question Trump's legitimacy to carry out further military action without Congressional approval writing, "The Constitution gives Congress the power to authorize military action. If @realdonaldtrump wants to expand American military involvement in Syria's Civil War, he must seek approval from Congress - & provide a comprehensive strategy with clear goals & a plan to achieve them."
U.S., British and French forces pounded Syria with air strikes early on Saturday in response to a poison gas attack that killed dozens of people last week, in the biggest intervention by Western powers against Assad who is backed by Russia.
Russia's ambassador to the United States on Friday warned that there would be consequences for the U.S.-led military strikes on Syria, adding that it was not acceptable to insult Russia's president.