A man is fighting for his life after a two-car crash in Deer Park.

Police say 63-year-old Robert Jacoby, of North Babylon, was headed westbound on Long Island Avenue near Commack Road at around 5:45 p.m. Tuesday when he crossed double-yellow lines and crashed into another car.

Jacoby was taken to Good Samaritan Hospital Medical Center in critical condition. 

The driver of the other car and his two passengers suffered injuries that were not life-threatening.

Detectives are asking anyone with information about the ongoing crash investigation to call 631-854-8152.