Mr. Trump celebrated what he calls a partnership between U.S. Steel and Japan-based Nippon on Friday, sharing details about commitments in the partnership and increased tariffs on imported steel.

President Donald Trump touted a "blockbuster agreement" between U.S. Steel and Japanese company Nippon Steel that he said would keep the U.S. steelmaker in Pittsburgh.

The Japanese firm's planned acquisition of U.S. Steel, initially floated in 2023, divided the politically important state of Pennsylvania and its heavily unionized blue-collar workforce.

The president said U.S. Steel, which was in a deal to be taken over by Tokyo-based Nippon Steel, would remain U.S.-controlled.

President Trump is launching a new trade war, this time targeting steel, raising the tariffs from 25 percent to 50 percent. CNBC Senior Analyst, Ron Insana and James Sample, a law professor at Hofstra University,

President Trump’s plan to double tariffs on foreign steel and aluminum could have sweeping effects on projects across Maryland.

Hours after Elon Musk's farewell ceremony in the Oval Office, a U.S. appeals court denied the Trump administration's request to resume mass firings of federal employees. Meanwhile, President Trump returned to a key battleground state for a rally after declaring new steel tariffs and announcing a deal with Japan's Nippon Steel.

President Donald Trump travels to Pittsburgh Friday to celebrate a deal he once vowed to oppose - Japanese steelmaker Nippon Steel’s long-announced plans to buy iconic American steelmaker US Steel.