A truck and three pleasure boats were destroyed in a fire Thursday afternoon in the work yard of a commercial building in Bay Shore, fire officials said. No injuries were reported.

When firefighters responded to a 1:09 p.m. call of a fire at Brook and North Third avenues, they found a "fully involved truck fire," which had spread to three of around 20 to 30 boats housed in the yard, said Edward Kunz, second assistant chief of the Bay Shore Fire Department.

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Part of the yard at Dolphin Well Drilling, 335 North Third Ave., is rented out to a boat repair concern, he said.

The fire, which was out by around 2:30 p.m., did not spread to the building structure, though "a couple" of other boats sustained minor fire damage, he said.

The cause of the fire is under investigation.

The Islip Town fire marshal and Suffolk County police arson detectives responded to the scene, he said.

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Also responding were firefighters from Islip and West Islip, as well as the Bay Shore Brightwaters rescue ambulance.