UNION TOWNSHIP, Pa. -- Investigators in Lawrence County are looking into what sparked a fire that sent a man to the hospital early Wednesday morning.

Firefighters responded to calls of a home on fire at 21 Magee St. in Union Township after midnight.

Matt Miller, 23, ran from the burning home to get help from a neighbor.

He was flown to a Pittsburgh-area hospital with burns over 70 percent of his body.

Miller is in critical condition. The house was destroyed.