Three people from Butler County are dead after a crash early Saturday morning in Lawrence County.

The incident happened on State Route 65 in Slippery Rock Township near Hogue Road around 12:31 a.m., according to a report from the Pennsylvania State Police.

An SUV crossed the center line going southbound on the road, hitting two utility poles before striking a parked car.

It then went airborne, hitting a tree before landing.

The Lawrence County Coroner identifies the victims as Nathan Bogacki, 44, Emma Bogacki, 17, and Grant Bogacki, 13, according to a report from NBC news affiliate WPXI.

A fourth victim, an 11-year-old girl, was flown to UPMC Children's Hospital in Pittsburgh for advanced medical treatment, according to state police.

Investigators are still looking into the cause of the accident.