Update: Police have apprehended a suspect in Thursday's early-morning burglary.
A Lake Forest officer assisting the Highland Park police located a person fitting the description of the offender in the area of Half-Day Road and Ridge Road, according to Highland Park Deputy Police Chief Dave Schwarz.
Officers found a long gun lying along the roadway a short distance away in the 1500 block of Half-Day Road.
Earlier: Police officers from Highland Park, Highwood and Lake Forest are looking for an possibly armed burglar who broke into a home in the 3000 block of Parkside early Thursday morning.
The offender, who has been described as a male wearing a dark hoodie and dark pants (possibly jeans), was spotted in a Highland Park home at 7:22 a.m. by the homeowners. They believe he might have been carrying a rifle, according to Deputy Police Chief Dave Schwarz. The offender fled on foot, and was last seen heading north towards the park area. It's unknown whether or not he took anything.
"Once he saw the owners, he ran," Schwarz told Patch.
The police department put out a reverse 911 to inform residents of the break in. Most of the department's current shift are on the lookout for the offender, in addition to units from Highwood, Lake Forest and a canine from North Chicago.
"We have a perimeter set up to limit his movements," Schwarz said. "We're hoping that something may turn up shortly."
Keep checking back for updates to this story.