Serious collision closes M4 Westbound near Swansea

Police are asking drivers to avoid the M4 between Junction 42 and 43 due to a serious accident.

Emergency services are at the scene on the M4 Junction 42 to Junction 43 on slip at Jersey Marine.

The road is currently closed Westbound after Junction 41 .

South Wales Police say the road is expected to remain closed for some time.

Motorists are advised to avoid the area and use alternative routes where possible.

Delays are expected in the area.