How container ship Dali changes course and appears to slow down as all the exterior lights turned off and smoke billows as it approaches Baltimore's Francis Scott Key Bridge before crashing into it

Shocking tracking video reveals how the Dali container ship changed course and appeared to slow down as it seemingly lost power twice before colliding with Baltimore's Francis Scott Key Bridge and causing it to collapse early Tuesday morning. Playback animation from MarineTraffic shows the Singaporean-flagged container setting sail from Seagirt Martine Terminal near Point Breeze around 00:24am local time before suddenly pivoting south and heading southeast towards the bridge. Agencies received emergency calls around 01:30am reporting that a ship leaving Baltimore had struck a column on the bridge, according to Kevin Cartwright, director of communications for the Baltimore Fire Department, who described the scene as a 'developing mass casualty event'. An online tracker shows how the ship sailed from the port before making its way to the bridge The shipping container then turns southeast before appearing to lose power twice Upon reaching the bridge, the ship appeared to lose power and collided with a support b Astonishing footage shows the moment the vessel plowed into the Francis Scott Key Bridge in Baltimore, sending the colossal steel structure crashing into the Patapsco River, shortly before 1.30am Eastern Video showed the horrifying moment one of the bridge's supporting beams collapses as the container ship collided with it, bringing the roadway above plummeting some 180ft into the cold waters below.