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BOISE -- A Boise firefighter was hurt on the job while battling flames at an industrial linen company Thursday morning.

The fire broke out at the ALSCO building in southeast Boise. Authorities believe an industrial dryer caught several small clothes bins on fire around 2 a.m.

The smoke and flames triggered an industrial sprinkler and set off an automated alarm.

Firefighters responded quickly and extinguished the flames. The fire appears to have started in the back of the warehouse portion of the building.

Battalion Chief John Peugh said one firefighter was transported to St. Luke's Hospital in Boise after suffering a knee injury while exiting the building.

As he came out of the building, a lot of smoke was in the area of the loading dock, stepped right off onto his knee and suffered a knee injury, Peugh said.

The injured firefighter was treated and released from the hospital and is now recovering at home.

Firefighters continue to investigate the exact cause of the fire.

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