WILKES-BARRE (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 at a news conference late Monday.

The circumstances surrounding the altercation and the deaths remain unclear. Authorities have not yet released the officer's name or the inmate's name.

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

The investigation is ongoing.