Drone sighting prompts brief halt to flights at Washington National

Officials halted flights into and out of Reagan Washington National Airport for about 13 minutes on Thursday after a drone sighting was reported, the FAA said. The FAA said it immediately notified law enforcement and said operations have resumed but there were some residual delays. The FAA did not immediately respond to a question about whether the drone or the operator was located.<br/>The area around Washington National Airport has the strictest prohibitions on drones in the United States. Flying a drone within the 15-mile radius of the airport is prohibited without specific FAA authorization, a requirement that covers all of Washington, DC. The FlightAware.com tracking service said 90 flights at National had been delayed, or 20% and seven were canceled. Washington National is the closest airport to the U.S. capital and used by many lawmakers and other government officials.<br/>