U.S. airlines are barred from flying to Haiti for a month after 3 American carriers' planes are hit by gunfire amid relentless gang violence in the Caribbean nation.

All U.S. airlines and other commercial operators have been banned from flying into Haiti for at least 30 days, the Federal Aviation Administration announced Tuesday.

The Federal Aviation Administration said on Tuesday it will bar U.S. airlines from operating in Haiti for 30 days after three commercial jetliners were struck by gunfire on Monday. The FBI said separately it was investigating the incidents and working with law enforcement partners.

The FAA has prohibited flights from the United States to Haiti after a Spirit Airlines flight was damaged by gunfire while trying to land in Port-au-Prince on Monday.

Prince, Haiti, has disrupted plans for humanitarian aid there, including the building of a school in Cap-Haitien.

The FAA has told US airlines not to fly to Haiti for the next month after three planes were hit by bullets.A Spirit Airlines flight was first reported to have been hit by gunfire Monday.Later, planes from JetBlue and American Airlines were also hit near Haiti's capital,