M4 crash: 'Severe congestion both ways'published at 15:24 British Summer Time 11 October 2018
Thames Valley Police has released a statement about the crash, which happened at about 12:20 and involved two heavy goods vehicles and a minibus.
"There is currently severe congestion both ways. The westbound carriageway was temporarily closed to allow the air ambulance access to the scene and has since reopened.
"The eastbound carriageway is likely to be closed for a significant amount of time and officers are working to turn affected motorists around.
"Please remain in your vehicles if you are stuck in the traffic as emergency services require access to the M4."