Demolition of collapsed Baltimore bridge delayed due to bad weather

Remnants of the collapsed Francis Scott Key Bridge and the cargo ship Dali will be cleared (Steve Ruark/AP)

The controlled demolition of the largest remaining steel span of the collapsed Francis Scott Key Bridge in Baltimore has been postponed because of weather conditions.

Crews have been preparing for weeks to use explosives to break down the span, which is an estimated 500ft long and weighs up to 600 tons.