LIVERMORE (CBS SF) — A 2-alarm fire ignited inside an abandoned business building in Livermore early Monday morning, erupting into flames and towering plume of smoke.

The Livermore-Pleasanton Fire Department said its crews responded to a call in a commercial fire on the 2000 block of Railroad Ave. at around 6:37 a.m.

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On arrival, firefighters found a boarded-up commercial building fully engulfed in flames. A second alarm was declared bringing a total of ten fire engines and trucks to the scene and around 35 firefighters including crews from the Alameda County Fire Department.

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After an initial survey to ensure that no one was trapped inside the building, firefighters initiated a defensive fire attack using large hose lines and aerial ladders.

The fire was brought under control after about an hour. No injuries were reported.

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The building suffered a roof collapse during the fire and is believed to be a total loss.