A 21-year-old woman was followed and then chased by a man in Bury St Edmunds at the weekend.
The victim was walking in the wooded area of Easlea Road between 2.40pm and 2.45pm on Saturday.
A man began to walk quickly towards here along a path that runs between the back of St. Edmundsbury Retail Park and the A14, before running after her.
She then ran back to the retail area car park and found other members of the public.
Officers from Suffolk Constabulary were called and searched the area but were unable to locate the man.
He is described as white, 5ft 9ins tall, of thin build, with short fair hair, wearing jeans and a t-shirt.
Anyone with information should call Bury St Edmunds Police on 101 quoting reference BU/15/2676.
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