SUMMIT TWP — A 16-year-old driver has been charged with a pair of felonies after state police said he was clocked going 109 mph on Route 422.

The suspect, a Lyndora boy, is also accused of leading police on a short pursuit Friday night that ended when he bailed out of the car and ran. A trooper quickly caught the teenager, who authorities believe was impaired on marijuana.

But as the foot chase was unfolding, police said, the boy's passenger got into the driver's seat and took off in the same car.

The incident began around 8:15 p.m. when the 16-year-old, behind the wheel of a Ford sedan, traveled past a trooper running radar on Route 422 near Moran Road in Summit Township. The radar device allegedly showed the car going 109 mph.

The trooper pulled out and tried to stop the vehicle. The boy turned onto Reed Lane, police said, and stopped in a driveway. He allegedly took off running, but was chased down.

Police said the suspect, who they did not identify, was found with what appeared to be marijuana. He was taken to Butler Memorial Hospital for a blood test. Toxicology results were not available.

He has reportedly been placed at an unspecified juvenile detention facility. He is charged with felony counts of flight to avoid apprehension and fleeing or attempting to elude police.

Additionally, he is charged with driving under the influence of a controlled substance and possession of a small amount of marijuana.

The Butler County juvenile probation office said a pre-adjudication conference will be held Thursday during which the boy can admit to or deny the charges.

Police had no other information Monday about the passenger in the car, who reportedly slid over behind the wheel and drove away.