Police incident closes M4 completely near Pyle - live updates

A police incident has completely closed part of the M4 in south Wales. Traffic Wales says that the motorway is closed in both directions between junction 37 Pyle and junction 38 Margam.

They say that all traffic has been "halted" and are urging people to avoid the area if possible. Traffic monitoring system Inrix says: "M4 in both directions closed, stationary traffic due to police incident between junction 37 Pyle and junction 38 Margam.

"Just after 12.30pm all traffic was held and confirmed fully closed around 10 minutes later."