U.S. President Donald Trump said on Friday he planned to increase tariffs on imported steel and aluminum to 50% from 25%, ratcheting up pressure on global steel producers and deepening his trade war.

President Donald Trump’s doubling of tariffs on foreign steel and aluminum could hit Americans in an unexpected place: grocery aisles.

President Trump said at a rally in Pennsylvania on Friday that he is going to double tariffs on steel imports from 25% to 50%. The hike, the president said, "will even further secure the steel industry in the United States.