All traffic stopped after crash on M4 (Image: National Highways)
All traffic has been stopped on the M4 near Heathrow Airport due to a multi-vehicle crash.
The incident happened on the M4 anti-clockwise within J14 at around 2pm today (May 23).
National Highways (@HighwaysEAST) has urged motorists on X (formally known as Twitter) to allow plenty of time travelling in the area.
It confirmed that all emergency services are currently at the scene.
The incident has caused six miles of congestion and severe 50-minute delays in the area.
Traffic is being diverted through the exit and entry slip roads at the junction, according to National Highways.
We have contacted Metropolitan Police and London Ambulance Service for further information.
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