WASHINGTON — Republicans on Capitol Hill reacted angrily to President Donald Trump's announcement Thursday that he is going forward with new tariffs on steel and aluminum, arguing that the move will harm the economy and that it threatens to start a broader trade war.

And while there are limits to what they can do to stop it, members are contemplating measures that could block the president from fully implementing his proposal.

"I don't think Republicans will put up with this, and I personally believe that we may be able to stop it in the Congress," Sen. Orrin Hatch, R-Utah, said