Warrenville police Saturday asked the public for help identifying a man who approached a woman with a knife.
The victim fled after encountering the suspect near her vehicle about 9:25 p.m. Friday on the 2S500 block of Route 59, authorities said.
Police searched the area, but didn't find the suspect. He was described as a white man about 5 feet 7 inches tall with short gray hair. Further details weren't released.
Police asked anyone with information on the case to call Detective Sgt. Jeff Jacobson at (630) 393-2131.