25 residents displaced after 3-alarm fire erupts at construction site in Upland

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Crews knock down construction fire in Upland

Firefighters were working to knock down a fire that sparked at a construction site in Upland on the morning of Dec. 1.

At least 25 residents were displaced after a three-alarm fire that erupted at a construction site in Upland spread to a nearby apartment complex Wednesday morning, fire officials said. 

The fire was reported in the 100 block of 13th Avenue, near the intersection of East 8th Street and Grove Ave., around 5 a.m.

San Bernardino County firefighters were called to the area after receiving multiple 911 calls from residents in the area.

Cathy Brown, who lives nearby along Foothill Boulevard, reported she heard explosions before the blaze.

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Crews battle fire at construction site in Upland

Courtesy: Cathy Brown (Twitter:@TheCathyBrown)

Arriving firefighters found multiple apartment buildings that were under construction were well involved and neighboring units were threatened.

What was initially a second-alarm fire was updated to a three-alarm fire for additional resources, the fire department said.

Arriving firefighters used hard lines and master streams to extinguish the flames.

Crews attempted to prevent the fire from spreading to nearby apartment complexes, home to hundreds of people. However, an attic fire at a two-story apartment building displaced 25 residents. The Red Cross was sent in to assist.

Fire officials said eight apartment buildings were damaged or destroyed by the blaze. In addition, one firefighter was treated for minor injuries. 

The cause of the fire is under investigation. 

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