A vehicle fire has brought the M4 in Newport to a standstill on Wednesday morning.
Emergency services are dealing with the incident at Junction 28, Tredegar Park, and all traffic heading westbound, towards Cardiff, has been brought to a halt.
There are reports of long delays in the area and drivers are being advised to expect longer journeys.
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A Traffic Wales spokesperson said: "J27 High Cross to J28 Tredegar Park travelling Westbound. Traffic is currently on stop travelling Westbound due to a vehicle fire. Emergency services are on scene. Expect delays."
