Firefighters estimate a fire caused $70,000 in damage to a Hawai'i Modular Space building in Kailua, Kona, on the Big Island today.

The 8:25 a.m. fire was extinguished by 8:46 a.m. Fire personnel included a fire engine, a brush truck and a medic unit that responded to the blaze at 73-4092 Hlikoa Drive. When firefighters arrived they sound a fire in the main room of the 1,056 square foot modular office building. The doors were locked and bolted from outside and no one was in the building at the time.