PHOTOS: Fox Lake manhunt
Lake County Sheriff's Dept. Det. Chris Covelli said a Fox Lake police officer was shot while responding to a call of three suspicious people near Route 12 and Sayton Rd around 7:52 a.m.
After communication was lost with the officer, his backup officer arrived on the scene to find him injured with a gunshot wound, Det. Covelli said. A law enforcement source says the police officer has died.
VIDEO: Lake County officials update Fox Lake manhunt
"At this time, we're asking all area residents to remain inside. Report any suspicious activity, any suspicious people, by dialing 911 as we still have three offenders at large," Det. Covelli said.
Authorities were seen searching a wooded area near the scene for several hours Tuesday morning. Canine units were brought in from various jurisdictions, including McHenry County.
Rollins Road is closed from Route 59 to Grand Avenue. Investigators also blocked off part of the frontage road leading to U.S. 12.
Metra officials said the tracks near the Ingleside station are closed to southbound traffic due to the investigation.
Grant Community High School is on hard lockdown. Superintendent Christy Sefcik said the school went on lockdown around 8:30 a.m. She said all students and staff are being kept away from exterior glass and out of view.
The Facebook pages for Gavin School District and St. Bede School in Ingleside said the schools are on soft lockdown.