The eastbound slip lane at junction 28 and one lane on the eastbound carriageway was closed after the crash, involving a car, a van and a lorry, of the A14 around 6.15am. Firefighters from Huntingdon and Cambridge attended and released the trapped casualties. Details of injuries are unknown. Traffic was brought to a halt on the Alconbury spur due to the accident and it is expected to be as normal shortly after 9am. The road was reopened at 7.50am but the slip road remains closed. More details to follow.