TARENTUM -- A Pennsylvania woman accused of setting her sleeping boyfriend on fire and throwing buckets of urine on him to extinguish the flames has died of an apparent heroin overdose.

The body of 39-year-old Leigh Ann Sepelyak was found Monday night in her home in Tarentum.

Tarentum police say evidence found at the scene indicates Sepelyak died of a heroin overdose.

Sepelyak was facing attempted homicide and other charges in connection to the July incident.

Penn Hills police alleged that she and her boyfriend argued and after he fell asleep and she threw gasoline on him and set him afire.

Her boyfriend suffered burns on 25 percent of his body.

She claimed she actually saved her boyfriend's life after he accidentally sparked the fire and he defended her after the incident.

The couple had been urinating in buckets as to not disturb her parents who lived upstairs.