Evanston Chief of Police Richard Eddington was in the area of Greenbay Road and Simpson Street when two women reported a vehicle was following them, police said.
Illinois State University was placed on lockdown for about an hour after reports of a man with a weapon.
The father of a 17-year-old boy who was accidentally shot as the two struggled for control of a handgun at their Rogers Park home has been charged in connection with the incident.
The 5-year-old child was jumping on a bed when a weapon discharged, apparently from underneath the mattress, police said.
A man has been charged with trying to disarm a police officer on the South Side on Thursday afternoon, then found to be in possession of another officer’s weapon which was taken in a burglary.