A 64-year-old man died after he was struck by four different vehicles in Patchogue early Saturday morning.
The man, who was not identified, was attempting to cross Route 112 at around 3 a.m.
Police say two of the drivers stopped at the scene, but two others did not.
Police are now looking for a 2011 to 2015 dark-colored Hyundai Elantra, and a 2000 to 2007 white or light-colored Ford Taurus.
Anyone with information can call the Vehicular Crime Unit at 631-852-6555.