WILKES-BARRE, Pa. (AP) — A correctional officer and an inmate are dead following an altercation at a Pennsylvania prison.

It happened Monday night at Luzerne County Correctional Facility in Wilkes-Barre (WILKS'-ba-ree).

Luzerne County Manager David Pedri confirmed the deaths.

The circumstances surrounding the altercation and the deaths remain unclear.

The prison is currently on lockdown. No other information was immediately available.

The investigation is ongoing.