**Flights Grounded at Washington DC Airport Amid Security Alert**

All flights have been suspended at Ronald Reagan Washington National Airport in Washington DC due to a security threat. The Federal Aviation Administration (FAA) confirmed that departing flights have been halted for over an hour as investigations are underway. Passengers were seen being evacuated from an aircraft on the runway, which has been moved away from the terminal area.

The reported threat specifically targeted United Airlines flight UA512, which was arriving from Houston. The Boeing 737 MAX 8 was relocated as authorities began their investigation into the situation.

The FAA, responsible for civil aviation safety, issued a statement regarding the incident. According to aviation correspondent Pete Muntean, the flights were paused due to a bomb threat on the plane.

Flight tracking service FlightRadar24 indicated that the pause in flights began at 11:18 am ET, coinciding with a security emergency declared at 11:30 am ET. A video from the scene showed a significant police presence gathered on the runway behind the United Airlines aircraft, as reported by CBS affiliate WUSA.

As the situation develops, authorities continue to assess the threat and ensure the safety of all passengers and staff at the airport.