Motorists are being advised to expect lengthy delays on the A1 after a collision this morning (Wednesday).
Police and the East of England Ambulance Service were called at about 8.30am to a stretch of the A1 between junction 15 at Sawtry and junction 14, heading towards Alconbury.
Police have re-opened all lanes but queues remain on the southbound carriageway.
According to the ambulance service, two people suffered minor injuries and were taken to Hinchingbrooke Hospital for treatment.
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