A bomb threat involving an arriving passenger jet froze all takeoffs and landings at Ronald Reagan Washington National Airport for 20 minutes Sunday afternoon while the FBI investigated. No explosives were found aboard US Airways flight 2596 from Dayton, Ohio, which was rerouted to a secure landing area at Reagan after a person made threatening comments at a ticket counter in Dayton.

All 44 passengers aboard the flight, as well as the crew members, were safe but detained by the FBI and airport personnel for questioning.