A medical vehicle responding to a car crash ended up getting into a deadly collision itself in an Independence Day tragedy late Sunday in Bay Shore, Long Island.

The crash occurred around 11:30 p.m. when a passenger in the car that the medical SUV hit, 18 year-old Daryn McKay, died from injuries he sustained when the Saturn sedan he was in collided with the first response vehicle.

Suffolk County Police say 21-year-old Marlon Chavarria, a volunteer Brentwood Legion Ambulance EMT, was responding to a reported car crash in his first responder 2007 Ford Explorer with its lights and sirens on.

As Chavarria headed west on Pine Aire Drive in Bay Shore, the 1993 Saturn SC heading the same direction and being driven by 18 year-old Jarred Smith of Brentwood suddenly turned left onto Cecil Ave. It collided with the emergency vehicle.

Deep crumpling of the medical SUV's front passenger bumper and a three-foot gash in the Saturn's rear driver's side indicate just how severe the impact of this crash was. McKay, who was in the back seat behind the car's driver, suffered severe injuries that he died from at Southside Hospital in Bay Shore.

Chavarria, the volunteer EMT behind the wheel of the emergency vehicle, is at the same hospital being treated for leg and shoulder injuries. In addition to McKay and Smith, two other unnamed people were in the Saturn. They and Smith were treated for non-life-threatening injuries at Good Samaritan Hospital in West Islip.

Police say that no charges have been filed in this incident and alcohol was not a factor in the crash. Still, they encourage anyone with information to call Suffolk County's Third Squad at 631-854-8352 or anonymously to Crime Stoppers at 1-800-220-TIPS.