Police seeking witness information from a prom party.

The South Bruce Ontario Provincial Police and the South Bruce OPP Crime Unit are continuing to investigate a report of a sexual assault during the early morning hours of May 27, 2018 at a property in the 1100 block of Concession 12, Brant Township.

This property is located north of the town of Walkerton in the Municipality of Brockton.

Investigators believe that someone intervened in the sex assault and are looking to speak with that individual.

A tip line has been set up for this investigation 519-272-3202. This line is capable of receiving texts, pictures and voice calls. Investigators are requesting for anyone with pictures from the party to text them to the tip line.

The South Bruce OPP is requesting anyone with information, or photographs, that can assist police with this investigation to call or text 519-272-3202.

source: media release, South Bruce OPP