Police have arrested a man over a suspected sex attack and ard now trying to locate the victim.
Sussex Police said: “A man has been arrested following a third-party report of a sexual assault on a woman in a remote area of Tilgate Park, Crawley.
“The incident is alleged to have occurred in a wooded area in the southerly most part of the park, close to the M23, about 4.10pm on Thursday (10 April).
“The 42-year-old suspect, who lives in Crawley, was arrested on suspicion of sexual assault and bailed with strict conditions until Friday 11 July, as police inquiries continue.
“No victim has been identified at this time, and officers are keen to ensure the welfare of anyone who may have been assaulted.
“If you have any information, please report it online or call 101, quoting crime reference 47250067905.”