Baltimore bridge collapse: who are the victims?

A crew of construction workers from Mexico and Central America were on Francis Scott Key Bridge when it was struck by cargo ship

• Baltimore bridge collapse - latest updates

Since Baltimore's Francis Scott Key bridge collapsed after being struck by a cargo ship that lost power early on Tuesday morning, new details are emerging surrounding the people who died in the incident.

Approximately six people - all members of a construction crew filling potholes on the major bridge - remain unaccounted for and are presumed to be dead, government and medical officials familiar with the situation have said.