Police officers have surrounded a bus outside Chelmsford train station this afternoon (August 10).A witness reported seeing the officers stationed by the bus which was parked in the stop next to the M&S on Duke Street. Another witness, who asked to remain anonymous, said: "The police got on the bus about 20 minutes ago- spoke to someone and got straight back off again. "It lasted about 20 minutes."There was a helicopter was circling just above"A spokeswoman from Essex...
