The Associated Press has filed suit against three White House officials responsible for banning the organization’s reporters from the Oval Office and other spaces including the president’s aircraft in retaliation for the wire service’s refusal to fully acquiesce to President Donald Trump’s push to rename the Gulf of Mexico as the Gulf of America.

The White House's outright attempt at regulating language used by independent media — and the punitive measures attached to it — mark a sharp escalation in Trump's often fraught dealings with news organizations.