M4 crash live updates as motorway drivers face delays in both directions

There is heavy traffic on the M4 eastbound at junction 32 at Coryton in Cardiff following a collision before 4pm on Wednesday, October 15.

The carriageway is partially blocked at Coryton with emergency services at the scene and congestion is heavy, eyewitnesses are reporting. For the biggest stories in Wales first, sign up to our daily newsletter here

According to the AA, traffic is back past junction 33 and delays are increasing. One eyewitness has told WalesOnline it looks like at least three vehicles have been involved in the collision at Coryton. You can follow live updates below.