By Whitney Burbank, WBZ-TV

ATTLEBORO (CBS) — Police and the Fire Department are investigating a possible arson fire that destroyed three school buses Saturday night.

WBZ NewsRadio 1030’s Kim Tunnicliffe reports

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According to Attleboro Fire Department Capt. Timothy Birch, the circumstances surrounding the fire are suspicious.

Birch said the fire most likely started in the bus that melted down to its frame. The flames spread to the buses on either side of the melted bus, he said.

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Fire Department officials said Attleboro Police called fire crews to the bus storage yard on Pleasant Street at about 10:45 p.m. Saturday. Firefighters had the flames under control before midnight, the officials said.

On Sunday afternoon, the Attleboro Public Schools tweeted, “Our transportation provider, H & L Bloom, assures APS that there will be no interruption in service tomorrow.”

“It’s terrible. I think it’s a shame someone would do that,” Attleboro parent Amy Lorvidhaya said of the fire. “I work for … a public school, and I know they don’t have a lot of money.”

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Attleboro Police said the cause of the fire is under investigation.