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Officer Joseph Gomm was killed by an inmate at the Minnesota Correctional Facility in Stillwater, officials said. (Facebook)
A corrections officer at a Minnesota state prison was killed Wednesday by an inmate, officials said.
Officer Joseph Gomm, of the Minnesota Correctional Facility in Stillwater, was attacked by the inmate -- identified as Edward Muhammad Johnson -- around 1:30 p.m., the Minnesota Department of Corrections said.
Gomm, an officer at the prison for 16 years, was taken to a hospital, where he was pronounced dead.
"Joseph gave the ultimate sacrifice while working to protect the citizens of Minnesota," Sarah Fitzgerald, a spokeswoman for the agency, said.
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Edward Muhammad Johnson, 42, is suspected of killing a corrections officer at the Minnesota Correctional Facility in Stillwater on July 18, 2018. (Minnesota Department of Corrections)
Johnson, 42, has been serving time for a homicide conviction.
The correctional facility, and surrounding prisons, were placed under lockdown until officials determined the incident was over.
Fox News' Amy Lieu contributed to this report.