FALL RIVER, MASS. (WHDH) - A firefighter was hurt while battling a fire at a five-story mill building in Fall River early Monday morning, officials said.

Crews responding to a reported blaze in the County Street mill building around midnight found flames shooting from a top-story window, according to the Fall River Fire Department.

Fire officials say a firefighter from out of town was hospitalized with an ankle injury.

The fire burned for more than three hours, causing damage to all five floors, according to Fall River District Fire Chief Kevin Blythe.

“The worst part about it was the roofing system was so thick,” Blythe said. “There was a lot of fire in there and it took the most to put out.”

The former textile mill, which was built in 1872, serves as a distribution center and houses clothing and garments.

Blythe says the building has safeguards, which helped keep the fire in check and prevent it from engulfing the entire structure.

The cause of the fire remains under investigation.

This is a developing news story; stay with 7NEWS on-air and online for the latest details.

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