
The shipping vessel that crashed into the Francis Scott Key Bridge in March experienced two power blackouts while docked, 10 hours before the collision that toppled part of a bridge span, according to a preliminary report released Tuesday by the National Transportation Safety Board (NTSB).
In addition to two power losses while the ship was in port, there were two power failures in the moments leading up to the crash, causing the ship’s main to shut down, according to the NTSB. The crew was unable to regain propulsion before it slammed into the bridge, the report said.

In this aerial view, a steel truss from the destroyed Francis Scott Key Bridge that was pinning the container ship Dali in place was detached from the ship using a…