Drivers are facing heavy delays on the M4 westbound in Swansea on Wednesday morning following a crash near Ynysforgan.
One lane has been blocked near junction 45, with police and traffic officers at the scene.
Police and traffic officers at the scene
Motorists are being warned to expect delays as the incident is dealt with.
This is a live breaking news incident and we will be updating regularly here and in the blog below.
