Presumptive U.S. Republican presidential nominee Donald Trump took the unprecedented step Monday of denying press access to The Washington Post, one of the United States' most influential newspapers.

Citing what it called unfair coverage, the Trump campaign wrote in a Facebook post that it was revoking the press credentials of the "phony and dishonest Washington Post."

"The Washington Post unfortunately covers Mr. Trump very inaccurately," the Trump campaign said in a statement posted to its website.