CHICAGO (STMW) — The Antioch Police Department has asked the community to be on the alert following two recent incidents involving a man and students at Antioch High School, the News-Sun is reporting.

According to the police, the following incident occurred this past Friday at 3:45 p.m. at the intersection of McMillan Road and Gail Street, which is just northeast of Antioch High School: The cross country team was completing a practice run in the area when a male subject parked his vehicle and exited. As a female member of the team ran by, the subject called out to her to stop and to come to his location. The young lady did the right thing by running directly to her coach and reporting the incident.

Subsequently, another female student reported a similar incident which occurred two weeks earlier involving a man matching the same description. That incident was not reported at the time it occurred.

Police said the subject is described as a male Caucasian in his sixties with short gray/white hair. Police have increased patrols and are working with school officials in all districts to notify students and parents of the incidents. Surrounding jurisdictions have been notified, and citizens should call the Antioch Police Department immediately at (847) 395-8585 if they observe suspicious activity.

Police said the car in the first incident was described as a full-size white van with no windows. The car in the second incident was described as a blue, box-style four-door vehicle.