M4 traffic builds as emergency services called to crash - live updates

Police are on their way to the scene of an accident on the M4.

Traffic Wales said it has happened on the eastbound carriageway between junction 35 Pencoed and junction 34 Miskin.

One lane is closed and the crash is reported to involve two vehicles.

A statement said: "Traffic officers en route. Please allow additional time for your journey if you're travelling in the area."

Cameras from the motorway show traffic is already starting to build.

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