The windows of parked school buses in Nesconset were smashed and fire extinguishers were discharged inside the vehicles, causing more than $50,000 in damage, Suffolk County police said.

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The vandalism of 30 buses took place between March 16 and March 30 in a lot at 70 Southern Blvd., police said.

Anyone with information on the vandalism was asked to call Crime Stoppers at 800-220-8477. A cash reward of up to $5,000 is being offered for information leading to an arrest, police said.