One lane is blocked and there's slow traffic due to an accident on the M4 eastbound between J15 A346 Marlborough Road / A419 Marlborough Road (Swindon East) and Membury Services.
Lane three (of three) is blocked.
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Bob has the Forecast for Bristol, Wiltshire, Somerset, Gloucestershire and Dorset.
Bob has the forecast for Cornwall, Devon, Somerset and Dorset.
Armed officers from Devon and Cornwall Police and Dorset Police are patrolling busy shopping areas in the run up to Christmas.