Firefighters investigate a commercial structure fire at 107 North Seymour Avenue in Mundelein Sunday evening. | Photo: Woo-Sung Shim / Lake and McHenry County Scanner

A firefighter was transported to the hospital with minor injuries after a fire caused damage to a pawn shop in Mundelein Sunday evening, fire officials said.

The Mundelein Fire Department responded at 7:38 p.m. Sunday to 107 North Seymour Avenue in Mundelein for a report of a structure fire.

Firefighters arrived on the scene within two minutes and found heavy smoke and flames coming from the front window of the commercial structure, according to Mundelein Fire Department Lieutenant Kurt Rodewald.

The first arriving fire crew pulled a hose line to the front of the structure and initiated an aggressive fire attack.

Firefighters respond to a commercial structure fire at 107 North Seymour Avenue in Mundelein Sunday evening. | Photo: Woo-Sung Shim / Lake and McHenry County Scanner

Other firefighters connected a supply line to a nearby fire hydrant for a water supply, Rodewald said.

Crews then entered the structure and the adjoining units to check for fire extension and any occupants.

The Mutual Aid Box Alarm System (MABAS) was activated, bringing firefighters from numerous departments to the scene.

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One firefighter sustained minor injuries and was transported to Advocate Condell Medical Center in Libertyville where they were later released.

No one else was injured, Rodewald said. The fire was brought under control at around 8 p.m.

The business is a pawn shop called Big Al’s Trading Company, according to a business profile on Yelp.

Firefighters respond to a commercial structure fire at 107 North Seymour Avenue in Mundelein Sunday evening. | Photo: Willie Gillespie (@wgweather)

Five fire engines, one tower ladder, one rescue squad, three ambulances and one incident command vehicle responded and a total of 34 firefighters fought the fire, Rodewald added.

The Mundelein Fire Department and the National Fire Protection Association (NFPA) remind residents to have functioning smoke detectors to provide early warning of a fire.

The Mundelein Fire Department was assisted by the Countryside, Buffalo Grove, Grayslake, Lake Zurich, Gurnee, Lake Villa, Round Lake, Lake Forest, Lincolnshire-Riverwoods, Wauconda, Highland Park, Long Grove, Palatine, Palatine Rural and Deerfield-Bannockburn fire departments.

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Damage estimates were not immediately available and the fire remains under investigation by the Mundelein Fire Department.