An inmate allegedly assaulted and killed a corrections officer on Christmas Day at an Ohio prison. Authorities said the attack was "beyond comprehension."

Cannon, 27, for threatening to kill someone, though it isn't immediately clear if Lansing or someone else was the target of those verbal threats, according to the Ohio Civil Service Employees Association.

A correction officer has died following an inmate assault at a prison in Ross County, Ohio, according to authorities.