Emergency services are currently dealing with a large coach fire on the M1.
A fire crew from Hemel Hempstead was called at 2.36pm to the fire on the northbound road between junctions 7 and 8.
There are long delays on the M1 northbound following the fire, which closed three lanes between junctions J6A-J7.
Three lanes are now open, and one remains closed for ongoing recovery work,
Drivers heading towards the Midlands and the north are advised to use the M40 or the A1M and A14.
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