Multiple flights from Nashville to Reagan Washington National in Washington D.C. have been canceled following a deadly plane crash near airport.

While aircraft have become increasingly safer in flight, runway incursions remain a critical and under-addressed danger. These dangerous events arise from a complex interplay of human, organizational, and technological factors among three key players: Air traffic controllers and the crews of converging aircrafts.

The Associated Press is providing live video of the scene of the plane crash near Washington’s Reagan Airport: