The hunt is one to find a bus passenger who sexually assaulted a schoolgirl on the number 18 in Sudbury.
Investigating officers have today released an image of a man they would like to speak to in connection with the incident.
The 13-year-old victim was inappropriately touched by the man as she travelled on the bus on March 24 at around 7.50am
He is described as being Asian, tall, around 29-years-old and had a full short beard.
He boarded the outside the Station 31 Restaurant on Harrow Road, and was wearing a beige and khaki green striped rugby-style top over a pink coloured shirt. He was also wearing beige chino-style trousers and a dark colour bomber jacket.
Anyone with information should call Det Con Tony Barun on 07801 203174 or Crimestoppers anonymously on 0800 555 111 quoting reference 175738.
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