A four-vehicle collision is causing delays on the A1(M) heading towards Stevenage this morning.
The crash happened at around 8.20am on the northbound carriageway of the motorway between Junction 6 for Welwyn and Junction 7 for Stevenage.
It left three of the vehicles in the motorway’s fast lane and one on the hard shoulder.
Police are currently on scene with the ambulance service who are treating four people for minor injuries.
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