UPDATE: Two court bailiffs were killed and a deputy sheriff shot Monday inside a southwestern Michigan courthouse when an inmate broke loose and got his hands on an officer's gun, officials said.

Berrien County Sheriff Paul Bailey said the gunman, whose identity was not immediately available, was killed by responding police.

"Brave officers" took down the shooter, he said.

Bailey told reporters the inmate was being moved from a holding cell on the third floor of the Berrien County Courthouse in St. Joseph when he "started fighting" with the deputy and bailiff and he disarmed an officer around 2:30 p.m. local time.

The armed inmate then ran into a hallway, where he shot a civilian in the arm before he was shot dead by responding officers.

Bailey said the two bailiffs who were killed had worked at the courthouse for "at least 10 years."

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At least three people were killed in a shooting at a courthouse in southwestern Michigan, an employee at the county prosecutor's office tells the Detroit Free Press.

The shooting occurred at the Berrien County Courthouse in St. Joseph.

One person was injured and the shooter is among the dead, the report states. The other two deceased individuals are reportedly court bailiffs.