The incident happened at about 1am last Friday (July 22) close to the ring road. Cambridgeshire police said the woman noticed a man following her as she approached the park, close to the supermarket and petrol station. He began speaking to her, before grabbing her bag and searching it. The attacker was disturbed, allowing the woman to grab her bag and run off. The man was described as black, aged between 16 and 20 and he wore a blue baseball cap, white Parka-style jacket, jeans and light coloured trainers. DC Mark Yendley, investigating, said: We know from CCTV that there were several people in the area at the time of the incident. I would like to hear from anyone who witnessed this robbery or saw the man described. INFORMATION: Call DC Yendley on 0345 4564564 or Crimestoppers, anonymously, on 0800 555 111.