File Photo – Crystal Lake Fire Rescue | Photo: Tyler Tobolt / Lake and McHenry County Scanner.

Authorities say residents safely evacuated and no injuries were reported after a fire broke out in a house near Crystal Lake early Saturday morning.

The Crystal Lake Fire Rescue Department and McHenry County Sheriff’s Office responded around 3:20 a.m. to the 9200 block of Arthur Street in unincorporated Crystal Lake for a report of a structure fire.

Sheriff’s deputies arrived on the scene first and found a small fire, according to Crystal Lake Fire Rescue Department Battalion Chief Rick Kaiser.

Deputies reported the fire was on the exterior of the residence and that the residents had evacuated the home.

Firefighters arrived in eight minutes and found a fire on the interior of the house that had extended to an exterior wall, Kaiser said.

Fire crews entered the residence and extinguished the fire with a single hose line. Fire, smoke and water damage was limited to a single room.

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The residence did not appear to have working smoke detectors, Kaiser said.

There were no civilian, firefighter or police injuries during the incident.

Crews were assisted on the scene by the Algonquin-Lake in the Hills, Huntley, McHenry, Nunda and Woodstock fire districts.

The cause of the fire, which was reported to have originated near the fireplace, remains under investigation.