SMYRNA, Del. (CBS) – The warden at the James T. Vaughn Correctional Center in Smyrna has been placed on administrative leave weeks after a prison standoff left a correctional officer dead.

Warden David Pierce had been at the helm of the James T. Vaughn Correctional Center since August 2013.

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Deputy Warden Phil Parker has been named acting warden, Delaware Department of Corrections spokesperson Jayme Gravell told CBS 3.

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Sources tell WBOC-TV that Pierce’s leave may not be related to the hostage situation from Feb. 1 that ended with the murder of Lt. Steven Floyd, but rather a separate incident that occurred internally at the prison last week.