State police have identified three people killed in an Oxford house fire.

Christopher S. Maseizik, 53, Karl F. Maseizk, 54, and Nanci N. Southwell, 71, all died in a house fire Saturday at 63 O’Neil Road.

First responders say they arrived at the property just after 11:20 p.m. to find the home on O'Neill Road completely engulfed in flames.

They say the three bodies were discovered while first responders were working to extinguish the flames.

Neighbors say the flames and sirens could be seen and heard from down the street. They say they were startled by the magnitude of the flames.

The cause of the fire is under investigation by local and state fire marshals.