Deputies say one person was airlifted following a motorcycle accident in the town of Caton.
It happened on State Route 225 when a motorcyclist struck a deer.
Investigators say the deer entered the roadway and the motorcyclist collided with it.
The 52-year-old operator, who was not immediately identified by the Steuben County Sheriff’s Office, was a Horseheads resident.
He suffered serious injuries and was airlifted to a nearby trauma center.
The road was closed for a period of time during investigation.
No additional information was immediately available.