Francis Scott Key Bridge collapses after being hit by cargo ship

The landmark Francis Scott Key Bridge in the US city of Baltimore has collapsed after it was hit by a ship.

Several vehicles were crossing the bridge, which is more than 2.6km (1.6 miles) long, when the container ship collided with one of its supports.

At least seven people are believed to be in the water and a number of vehicles were detected beneath the surface, officials said.

Boats and helicopters are part of the search and rescue effort. read more