An apartment fire was extinguished Sunday morning in the 700 block of St. Andrews Lane in Crystal Lake. | Photo: Alex Vucha / Lake and McHenry County Scanner.

Firefighters quickly extinguished an apartment fire in Crystal Lake and were able to stop the blaze from spreading to adjoining apartments Sunday morning, officials said.

The Crystal Lake Fire Rescue Department and Crystal Lake Police Department responded around 6:16 a.m. Sunday to the 700 block of St. Andrews Lane in Crystal Lake for an apartment fire.

The occupant was in the apartment when the fire started and called 911, according to Crystal Lake Fire Chief Paul DeRaedt.

The building’s fire alarm system also activated, notifying all the occupants of the fire. The building was not equipped with a fire sprinkler system.

Firefighters arrived within five minutes and reported smoke coming from one of the apartments, DeRaedt said.

Fire crews entered the apartment and found heavy smoke conditions and a fire in the master bedroom.

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The fire was declared under control at 6:46 a.m. The bedroom sustained heavy fire damage and the remainder of the apartment sustained smoke and water damage.

The fire did not spread to any adjacent apartments. The fire apartment is uninhabitable while the rest of the apartments in the building were able to remain occupied.

The cause of the fire is under investigation and a determination of how it started is not yet known.

There were no injuries to any firefighters or occupants, DeRaedt said. Damage to the apartment is estimated at $60,000.

The Crystal Lake Fire Rescue Department was assisted by several area fire departments. Fire investigators from the Cary Fire Protection District are assisting Crystal Lake with the investigation.