WATCH LIVE: Crews to conduct controlled demolition of Baltimore bridge wreckage

BALTIMORE (AP) — Crews are expected to conduct a controlled demolition Monday evening to break down the largest remaining steel span of the collapsed Francis Scott Key Bridge in Baltimore, a major step in the cleanup as officials seek to fully reopen the port’s busy shipping channel by the end of the month.

Engineers have been preparing for weeks to use explosives to break down the span, which is an estimated 500 feet (152 meters) long and weighs up to 600 tons (544 metric tons). It...