Officers are appealing for information after an indecent exposure incident in Kessingland.
It happened on Wednesday, June 15, at about 7.30pm as a woman was walking her dog in fields behind London Road.
A police spokesman said: 'She was approached by a man who was committing a lewd act.
'She walked away from him at speed but he followed her for a short time, before she challenged him and he turned and fled.'
The man is described as a white male in his early 20s, of slight build, approximately 5ft 10 inches tall.
He had short brown hair and was wearing a light blue sports sweatshirt and jogging trousers.
Police would like to hear from anyone who may have seen a man matching the description, or who has any other information to assist the enquiry.
? Information should be directed to Suffolk Police on 101 quoting crime reference number 37/38918/16.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here