Two ambulances were called to the crash at Juntion 7 on the A1(M) (Image: Archant)
Ambulances are still at the scene of a three-car collision on the A1(M) this morning.
Police were called at 10.49am after the collision on the slip road of the southbound carriageway of the A1(M) at Junction 7 for Stevenage.
Two vehicles were blocking part of the road.
A black BMW 3 series, a grey Fiat Punto and a silver Ford Fiesta were involved in the crash and two ambulances and a rapid response vehicle were sent to the scene.
Three casualties are being treated and it ius understood one has been taken to the Lister Hospital.
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