WASHINGTON (Reuters) - The Ronald Reagan National Airport said late on Wednesday that all takeoffs and landings were halted at the airport in the Washington region as emergency personnel responded to an aircraft incident.

DCA Ronald Reagan Washington National Airport has shut down and The Federal Aviation Authority has confirmed a American Airlines Flight operated by PSA Airlines collided mid-air with a Blackhawk Sikor

Ronald Reagan Washington National Airport is closed, according to an FAA alert posted Wednesday night. A ground stop will prevent planes from landing at the airport through at least 5 a.m. Thursday morning,