M4 live updates as serious crash closes part of the motorway
A serious accident late on Sunday night closed part of the M4 on Monday morning. The eastbound carriageway was closed between junction 43 Llandarcy and junction 42 Swansea East/Briton Ferry until just after 6.45am.
Traffic monitoring system Inrix said that the disruption followed a "serious accident late last night".
At 11.26pm last night Traffic Wales issued a statement saying that the eastbound carriageway was closed and police were on the scene. Pictures from the motorway on Monday morning show traffic being directed off the motorway.
Follow live updates on this incident below: