Police are searching for three suspects after two young women were attacked in the parking lot of an abandoned factory in St. Catharines.
Police say it happened just before 11:00 last night in the Yale Crescent area.
The two victims were approached by one suspect armed with a knife who demanded one of the girl's turn over her backpack.
All three suspects had their faces concealed.
One of the victims suffered a minor injury to her left arm.
Police are searching for three white males between the ages of 15 and 18.
Anyone with information is urged to call the 1 District Criminal Investigations Branch at 905-688-4111 ext. 4307 or ext. 4358