U.S. Steel and Nippon Steel said on Monday that it is suing over President Joe Biden's decision to block its sales agreement and a domestic competitor and union over their actions to scuttle the deal.

Trump opposes U.S. Steel's sale to Nippon, but CEO David Burritt believes he can convince the president-elect that the deal is in the interest of U.S. workers.

President Joe Biden officially announced on Friday he has blocked Nippon Steel's $14.1 billion purchase of U.S. Steel, setting up a likely federal court battle.

The companies argued in a lawsuit announced on Monday that Biden violated the Constitution by blocking the merger via a sham national security review that deprived the companies of their right to a fair process.

By blocking a Japanese company’s takeover of U.S. Steel, President Joe Biden says he is protecting good jobs in the American heartland

President Joe Biden on Friday announced his decision to block the $14 billion sale of U.S. Steel to Japan’s Nippon Steel, citing national security concerns. The move could have serious implications in Gary,

In dual lawsuits filed Jan. 6, U.S. Steel Corp. and Nippon Steel Corp. blame the Biden administration's politicizing its national-security review as well as the behind-the-scenes actions by rival Cleveland-Cliffs Inc. and United Steelworkers International President David McCall for scuttling the $14.9 billion deal.

The companies condemned the president's decision and hinted at taking legal action, while U.S. Steel's CEO accused Biden of "political corruption."

Overturning Mr Biden’s decision in court will be tough. Judges give wide latitude to the executive on matters of national security, and allegations of insufficient due process will be a hard sell, says Jonathan Gafni of Linklaters, a law firm.

The Biden administration has led global efforts to provide Ukraine with military aid, revealing another $500m (£407m) package today in Germany - more on that shortly.

When, on Friday, the Supreme Court hears the Biden administration defend the law that bans TikTok, the justices should remember what the administration said the previous Friday: “National security” justifies the president’s blocking the sale of U.