M1 traffic LIVE: Road closed after huge crash as 'vehicle overturned'
Traffic is building on the M1 after as multiple emergency service vehicles respond to an accident on the major motorway.
National Highways reports that traffic has been stopped due to a collision and overturned vehicle.
The incident occurred on the southbound between J5 Watford and J4 Edgware, Hertfordshire
One witness at the scene posted on X: "Seen 8 ambulances, 6 cop cars & 5 fire engines pass on the hard shoulder and now a helicopter in the sky.
"Avoid using the M1 into London. Hope everyone is ok #M1 #M1motorway."
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express.co.uk
