President Trump doubles steel and aluminum tariffs to 50% starting June 4 to protect U.S. industries and national security.

President Trump will sign an executive order Tuesday that will increase tariffs on imported steel and aluminum to 50% from the current 25%, White House press secretary Karoline Leavitt said. The increased tariffs will go into effect on Wednesday,

President Donald Trump has promised to hike nearly all of his tariffs on foreign steel and aluminum to a punishing 50% on Wednesday, a move that would hammer businesses from automakers to home builders,