Mass. State Trooper injured in motorcycle accident in Canton

A St. Louis police officer is accused of driving a van too roughly to punish two prisoners, court documents claim.

CANTON, Mass. — A Massachusetts State Police Trooper was involved in a single-vehicle motorcycle crash on I-95 North in Canton on Sunday evening. According to officials, the trooper sustained, "injuries that are serious but not considered life-threatening."

The trooper is a member of the State Police Motorcycle Unit and crashed while on duty. He was transferred to Boston Medical Center.

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The cause of the crash remains under investigation.

This story is developing and will be updated as more information becomes available.