File Photo – Libertyville Fire Department | Photo: Remi Merrill

Residents were able to escape after a passerby spotted flames engulfing a garage and spreading to a home in Libertyville Monday morning, authorities said.

The Libertyville Fire Department and Libertyville Police Department responded around 5 a.m. Monday to the 1200 block of East Park Avenue for a report of a structure fire.

Libertyville Deputy Fire Chief Steven Holtz said a passerby called 911 to report flames coming from a garage near the intersection of Park Avenue and St. Mary’s Road.

Firefighters arrived and found an active fire in the garage attached to a residence.

The Mutual Aid Box Alarm System (MABAS) was activated to the box alarm for extra manpower to the scene and for change of quarter crews to cover Libertyville fire stations during the incident.

Fire crews performed suppression of the fire and extinguished the blaze by around 5:40 a.m., Holtz said.

Firefighters also confirmed all residents had been evacuated and were uninjured.

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In addition to the garage, fire and smoke damage was sustained to the home, Holtz said. No firefighters were injured.

Route 176 was shut down at St. Mary’s Road by police during the incident.

The Countryside, Lincolnshire, Mundelein, Gurnee, Lake Forest, Deerfield, Grayslake, Lake Bluff, Great Lakes, Zion, Lake Zurich, North Chicago, Buffalo Grove, Lake Villa and Wheeling assisted during the incident.

The cause of the fire remains under investigation by the Libertyville Fire Department.