A Butler man was flown to a Pittsburgh hospital after a crash Saturday afternoon in Center Township.
It happened just after 4 p.m. on Sunset Drive at the intersection with North Benbrook Road.
Police say 75-year-old Raymond Claypoole failed to stop at a stop sign and collided into another vehicle driven by 20-year-old Anthony Leitem of East Brady.
Claypoole suffered serious injuries in the crash and was flown to a Pittsburgh hospital.
Police believe alcohol played a role in the crash.
