TEWKSBURY, Mass. (WHDH) -- Troopers are investigating a bomb threat at Tewksbury State Hospital, according to State Police.

Troopers from the Massachusetts State Police Andover Barracks, as well as personnel from the State Police K-9 Section and Hazardous Devices Unit are on scene at the hospital investigating a bomb threat that was received by phone a short time ago, State Police said.

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