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.

Cleveland-Cliffs CEO Lourenco Goncalves said Monday his company is ready to make another offer for U.S. Steel if its attempted merger with Japan’s Nippon Steel fails for good. “We have an all-American solution,

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

Cliffs is partnering with peer Nucor to prepare a potential bid for U.S. Steel, CNBC reported on Monday, citing sources. According to the report, Cleveland-Cliffs would purchase U.S. Steel in an all-cash deal and then sell the company's Big River Steel subsidiary to Nucor.

The move by Cleveland-Cliffs comes after the Biden administration blocked the U.S. Steel-Nippon tie-up on national security grounds.

Cliffs would purchase all of U.S. Steel for all cash and then sell off the Big River Steel subsidiary to Nucor, sources told CNBC's David Faber. U.S. Steel's headquarters would remain in Pittsburgh under the deal.

The CEO of American-owned and operated Cleveland Cliffs says he’s putting in a bid to buy U.S. Steel. He says it’s not a matter of if, but rather when.

Cleveland-Cliffs Inc. is partnering with Nucor Corp. to weigh a potential joint bid for United States Steel Corp., according to a person familiar with the matter. Cliffs’ top boss later confirmed his interest in the American steelmaker at a press event.

Cleveland-Cliffs Inc. CEO Lourenco Goncalves says he has an "all-American solution" in place to buy United States Steel Corp. if a deal with Nippon Steel is abandoned.

Cleveland-Cliffs CEO Lourenco Goncalves said Monday he had a plan to buy U.S. Steel as he launched a tirade against Japan, calling the close U.S. ally “evil.”