The lawsuit could derail or delay the closing of the deal, which could cost Paramount hundreds of millions of dollars.

A group of Democratic states is challenging Trump’s Department of Justice to block Paramount’s takeover.

California is among the states suing to block Paramount from buying Warner Bros. Discovery in a Hollywood mega-merger that would unite some of the nation's largest movie studios…

California and eleven states are suing to block Paramount's acquisition of Warner Bros. Discovery. They allege the deal would lessen competition in film distribution and cable…