Police are seeking information from the public to identify a man they believe can assist with their investigation into a sexual assault.

The incident occurred this morning about 8.30am, at a toilet block in the University of Western Australia close to Mounts Bay Road, Crawley.

Police are looking for this man in relation to a UWA sexual assault. Credit:WA Police

The man is described as being aged in his 30s and wearing a red striped hooded top and dark pants.

He was last seen on Stirling Highway walking in the direction of Hampden Road, Crawley.

Police would like anyone with information to call Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au.

Anyone that sees a man matching this description is asked to call police immediately on 131 444.