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- A 'serious collision' has caused the closure of the A1(M)'s Northbound carriageway between Colney Heath and the M25.
- The incident took place at around 1pm today, between junctions 1 and 3 of the highway, and involved a coach and a van.
- A diversion was put in place by National Highways.
- Emergency services are currently on the scene.
- Motorists have been advised to avoid the area.
- Please email any information to pearce.bates@newsquest.co.uk
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