A motorcyclist died in a crash with a car that made an illegal U-turn, according to police.
George Kellerman was riding north on Horseblock Road in Centereach around 11 a.m.
Police say a Toyota heading south made an illegal U-turn right in front of him.
Kellerman was pronounced dead at Stony Brook University Hospital.
No one in the car was injured. The driver was ticketed for driving without a license and making an improper U-turn.