Madison firefighters say a sprinkler system prevented a major fire recently at an apartment complex that was ravaged by a fire in 2007.

A fire caused $3.5 million in damage to a building in the Glacier Hills Apartment complex on July 14th, 2007. It was caused by discarded smoking materials.

Following the fire, the building was rebuilt and an automatic fire sprinkler system was installed.

On January 18th, firefighters responded to the same building.

They found a small fire on a second story balcony that had been extinguished by a single sprinkler head. Crews say this fire was also caused by discarded smoking materials.

Firefighters say this is a perfect example of how fire sprinkler systems limit damage and save lives. A sprinkler head activated, which triggered the building's fire alarm system and notified residents to evacuate.