President Donald Trump has removed a Democratic member of the U.S. National Labor Relations Board from office, an unprecedented move that will escalate an ongoing legal battle over the scope of the president's powers to control federal agencies.

Jennifer Abruzzo was removed as general counsel of the National Labor Relations Board. She was widely seen as having taken an aggressive approach in enforcing workers’ rights.

Democrat Gwynne Wilcox, whose term was supposed to run through August 2028, said she believes her firing violates Supreme Court precedent.

President Trump fired National Labor Relations Board General Counsel Jennifer Abruzzo. In an unprecedented move, he also ousted Democratic board member Gwynne Wilcox, leaving the board with no quorum.