A man has allegedly been throwing buckets of urine and feces on people in Toronto.
Toronto Police say there have been three incidents so far.
The most recent happened just before midnight outside the University of Toronto.
Another incident was reported on Sunday at the York University's Scott Library, following a similar incident at U of T's Robarts Library on Friday.
Police have since released a photo of the suspect in the York incident.
Anyone with information is asked to contact police at 416-808-3100, Crime Stoppers anonymously at 416-222-TIPS (8477), online at www.222tips.com,