An air traffic controller at the control tower of Reagan National Airport in Washington D.C. has been arrested following a violent altercation with a co-worker. The Federal Aviation Administration (FAA) has charged the employee with assault and battery after a fistfight broke out, leading to injuries. This incident comes in the wake of the deadliest airplane crash in 15 years, raising concerns about the safety and professionalism within the control tower. An investigation is underway, with several employees placed on administrative leave as the FAA examines the circumstances surrounding the violent events.