Crash between car and lorry closes part of M4 in Carmarthenshire
Police remain at the scene of the crash which happened at 11:20pm on Monday night.
Police are still at the scene of a serious crash on the M4 in Carmarthenshire.
The motorway between junctions 48 for Hendy and 49 for Pont Abraham is closed in both directions after a collision between a car and a lorry at around 11.20pm last night.
Police say the collision led to both vehicles going on fire.
It's expected the road will remain shut until later this afternoon with drivers asked to use alternative routes.