Federal Judge Amy Berman Jackson ruled late Saturday evening that President Donald Trump's firing of the head of the Office of Special Counsel, Hampton Dellinger, was unlawful, keeping him in his post.

A federal judge said that the president’s efforts to remove Hampton Dellinger, who leads the Office of Special Counsel, were unlawful. The agency protects whistle-blowers.

The federal judge’s decision blocks Trump from removing Hampton Dellinger as head of the Office of Special Counsel and sets up a likely Supreme Court battle over the president’s powers.

The head of a federal watchdog agency must remain in his job, a judge in Washington ruled on Saturday, saying President Donald Trump's bid to remove the special counsel was unlawful.