Thames Valley Police has released an image of a man who may have vital information to help its investigation into stalking offences in Milton Keynes.
Police say they are investigating reports that a teenage girl was followed a number of times in Fishermead and Oldbrook on September 15.
Investigating officer PC Jamie-Leigh Murphy said: “We are appealing to identify the man pictured as we believe he may have vital information that could assist our enquiries.
“If this is you, please come forward and contact Thames Valley Police.
“I would also like to hear from anyone who recognises the man in the image, or who may have seen him in the Oldbrook or Fishermead areas of Milton Keynes.
“We are particularly keen to hear from anybody who may have witnessed behaviour matching the circumstances being investigated, or who has information that could assist our enquiries.”
Anyone with information can make a report online or call 101, quoting reference number 43260481797.
Information can also be reported anonymously through Crimestoppers on 0800 555 111 or on its website.
