CLAY TWP — The injured driver of a motorcycle that wrecked at the Switchback Racetrack Sunday afternoon was flown by medical helicopter to a Pittsburgh hospital, according to Butler County 911 records.

The 48-year-old driver, whose name was unavailable, was taken to UPMC Presbyterian.

The accident was reported to 911 at 12:36 p.m. The Unionville and West Sunbury volunteer fire departments responded. Crews cleared the scene at 1:24 p.m.

Further information was unavailable.