The theft happened in Waitrose in St Benedicts Court at about 10.55am today (Wednesday). A police spokesman said a man and a woman were seen running off towards Huntingdon Library and got in a blue, people carrier-style car. They then drove through the market stalls in Market Hill and turned right along the High Street. When they got to the barrier across the road, near the Three Tuns pub, the man got out but could not open it, so drove onto the pavement and off along Hartford Road.The man was described as white, about 5ft 8in, in his 30s and wore a black cap, jacket and trousers. The woman was of Mediterranean appearance, had dark hair, 5ft, also in her 30s and wore a red top with black sleeves.INFORMATION: Anyone who can help should call police on 101, or Crimestoppers, anonymously, on 0800 555111.