An Ohio prisoner was killed on Monday after an altercation with another inmate. Rex Elam, who was serving a 25-year sentence for rape and robbery, was pronounced dead at 1:30 p.m. after being attacked in Lucasville prison.

The Ohio Department of Rehabilitation and Corrections and the Ohio State Highway Patrol are investigating. Officials say that there is a suspect, but no further information will be released until inmate interviews are conducted.