What we know about the Baltimore bridge collapse

A cargo ship rammed into Baltimore’s Francis Scott Key Bridge, causing the span to collapse and presumably killing six construction workers. On Wednesday, a day after the early-morning crash, officials with the National Transportation Safety Board boarded the ship and planned to recover information from its electronics and paperwork while divers searched for the bodies of workers who were still missing.

Here’s what we know so far about the collapse:

WHAT EXACTLY HAPPENED?

The...