HEAVY delays are expected on the M4 westbound between junctions 12 and 13 because of a broken down vehicle.
Two lanes have been shut due to a lorry catching fire and the Highways Agency expects delays to last until at least 6.30pm.
This latest incident comes after two earlier disruptions on the M4 when a Peugeot van collided with a car between junctions 8/9 and 10 and another later collision involving an HGV between junctions 10 and 11.
Motorists are advised to seek another route if possible.
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