Police are investigating a report that a 14-year-old girl was sexually assaulted in Old Town last week.
The girl was walking along Cherry Garden Road, off the A259 East Dean Road, at around 4.30pm on Thursday November 23.
She was pushed to the ground and suffered a grazed knee.
Schools in the area have been informed and general safety advice has been shared.
Meanwhile, anyone who saw what happened on November 23 or who may have other relevant information is asked to contact Sussex Police online at https://sussex.police.uk/appealresponse or phone 101, quoting serial 1066 of 23/11.
Alternatively, please report details on the Crimestoppers website, www.crimestoppers-uk.org or contact the independent charity anonymously on 0800 555 111.