Flames erupt from the rear of a house in the 4000 block of North Hillcrest Place in Johnsburg, causing significant damage to the home and leaving the residents displaced, Sunday morning. | Photo Submitted to Lake and McHenry County Scanner

Authorities say a resident was injured after a fire broke out at the rear of a house and caused significant damage throughout the home in Johnsburg Sunday morning.

The McHenry Township Fire Protection District responded around 7:50 a.m. Sunday to the 4000 block of North Hillcrest Place in Johnsburg for a report of a structure fire.

The incident was upgraded to a Working Fire response while crews were still responding following the multiple 911 calls. It was initially reported that the rear porch was on fire.

McHenry Township Fire Protection District Acting Battalion Chief Michael Kempster said firefighters arrived in under five minutes and found an active fire at the rear of the home.

The fire was extending into the interior of the house and all occupants were reported to have safely escaped.

Firefighters brought the fire under control within 40 minutes, Kempster said.

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Searches of the home confirmed no one was still inside the single-story, single-family residence.

Kempster said the fire caused significant damage to both the exterior and interior of the home. Smoke and water damage was noted throughout.

A civilian was evaluated by paramedics for a minor injury at the scene but was not transported.

The home was deemed unhabitable until repairs can be made, Kempster said.

The Mutual Aid Box Alarm System (MABAS) was activated to the box alarm level for fire investigators to respond.

The Antioch, Cary, Crystal Lake, Fox Lake, Nunda, Richmond, Round Lake, Spring Grove, Wauconda, Wonder Lake and Woodstock fire departments assisted at the scene and covered calls in McHenry.

The cause of the fire remains under active investigation.