The National Transportation Safety Board (NTSB) released its final report more than 20 months after the deadly collapse of Baltimore's Francis Scott Key Bridge.

Investigators concluded that the blackout that left the Dali cargo ship powerless and on a collision course with the bridge was caused by a loose wire.

NTSB determined that a label was covering the base of its connector, which prevented it from being fully inserted. It was ultimately shaken loose, which cut off power and steering to the ship.

Six construction workers who were filling potholes on the bridge were killed in the Mach 2024 collapse.

Maryland leaders say a new Key Bridge will cost around $5 billion, much more than initially estimated. The bridge likely won't be complete until late 2030 at the earliest.

NTSB hearing

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