U.S. Steel and Nippon Steel filed a separate lawsuit in the U.S. Court of Appeals in Washington, D.C., against the Biden administration to overturn the order and force a new review that could potentially lead to the deal. The Pittsburgh suit against Cliffs and McCall doesn't have any bearing on that decision.

If Cleveland-Cliffs is able to acquire US Steel, its CEO says the headquarters of the new entity would be in Pittsburgh, not Cleveland.

Takahiro Mori said Nippon Steel's proposed acquisition of U.S. Steel does not bring any national security risks, despite Joe Biden's insistence otherwise.

Nippon Steel Corp. and United States Steel Corp. jointly filed lawsuits in a last-ditch effort to preserve the planned merger of the companies, which was blocked last week by President Joe Biden.

President Biden blocked the deal between Nippon and U.S. Steel earlier this month due to "national security" concerns.

Lourenco Goncalves, the CEO of Ohio-based steelmaker Cleveland Cliffs, said Monday that he wanted to make a new bid for U.S. Steel.

Put together, U.S. Steel’s Man Valley Works plants are the largest single source of air pollution in the Pittsburgh region. Their fate, and 3,000 jobs, remain uncertain.

Ropes & Gray, Milbank and Wachtell, Lipton, Rosen & Katz all advised on the $14 billion acquisition. They're joined in two federal lawsuits filed in Washington, D.C., and Pittsburgh by attorneys from Reed Smith and K&L Gates as well as Mayer Brown.

Further, executives said U.S. Steel may move its headquarters out of Pittsburgh. Conversely, the United Steelworkers, the union representing 850,000 workers, cheered the administration's move to ...

Joe Biden calls himself the most pro-union president in American history. But he’s punting a thorny union matter to his successor, Donald Trump, who may not have any better solutions than Biden does.

PITTSBURGH (KDKA ... overturn President Biden's decision and have also separately sued Goncalves and United Steelworkers Union President David McCall, accusing them of conspiring to kill ...

Ohio-based steelmaker Cleveland-Cliffs accused rival U.S. Steel of trying to silence Cliff’s irrepressible CEO Lourenco Goncalves on Friday during a hearing in a lawsuit that alleged a conspiracy between the United Steelworkers union and Cliffs aimed at disrupting U.S. Steel’s $14.9 billion sale to Nippon Steel.