Live updates as M4 crash causes heavy delays between Cardiff and Newport

An accident has closed one lane of the M4 on Monday morning.

It has happened on the eastbound carriageway between Cardiff and Newport.

Traffic Wales is reporting heavy traffic between junction 30 Cardiff Gate and junction 29 at Cardiff.

It says: "One lane open causing heavy traffic Pass with care."

Traffic had already been congested between junction 28 Tredegar Park to junction 24 Coldra.

To get the latest newsletters WalesOnline straight to your inbox click here.