A police chase ended when a motorcycle officers were pursuing crashed into a tractor trailer.
The incident happened Sunday just after 3 a.m. in Leacock Township, Lancaster County.
State police say a motorcyclist they attempted to pull over failed to stop in the 400 block of East Newport Road.
Police say a pursuit began and continued onto Route 340 west.
The motorcyclist, a 22-year-old man, then turned around near Route 896 and traveled east on Route 340.
The motorcycle then struck a tractor trailer between Mill Creek Road and Lynwood Road.
Police say he was transported to a local hospital and is being treated for serious injuries.