WASHINGTON (AP) — Federal investigators looking for the cause of the January collision between a passenger jet and an Army helicopter near Washington, D.C., that killed 67 people recommended a ban on some helicopter flights Tuesday to improve safety, saying the current setup “poses an intolerable risk.”

The National Transportation Safety Board plans to issue a preliminary report on Tuesday into the Jan. 29 collision between a helicopter and an American Airlines jet that killed 67 people near Washington Reagan National Airport.

Federal aviation officials are taking urgent action to prevent future midair collisions after a catastrophic crash between an American Airlines passenger jet and a US Army helicopter over the Potomac River near Ronald Reagan

Ruth Marcus, a longtime op-ed writer for the Washington Post, quit on Monday after, she said, her column criticizing owner Jeff Bezos was killed by publisher.

Ruth Marcus, a longtime columnist at The Post, said its publisher refused to run her critique of the new focus for the paper’s opinion section.

Washington Post columnist Ruth Marcus resigned today, accusing the paper's publisher of killing her piece on owner Jeff Bezos' overhaul of its opinion pages.