Massachusetts officials are investigating the death of an inmate at Bridgewater State Hospital.

The state Department of Correction said Monday that 43-year-old Leo Marino was found unresponsive in his cell at about 7:30 p.m. Friday.

He was taken to Morton Hospital in Taunton where he was pronounced dead at about 8:30 p.m.

Prison spokesman Darren Duarte didn't release further details. The state Medical Examiner's office is working to determine the cause and manner of death, he said.

Bridgewater State Hospital is a medium-security facility that houses men civilly committed and prison inmates suffering from mental health issues. (Associated Press)

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