Jericho Turnpike Westbound at Foxwood Drive - MVA involving three vehicles. Vehicle Number 1 was a boxtruck, 2 an Infinity Sedan, and 3 a Mercedes Sedan. The operator of the boxtruck was apparently uninjured. the driver of vehicle number 3 had non-life threatening injuries. When police arrived on scene, the operator of vehicle number 2 was found to be unresponsive, but entry to the vehicle could not be made. a "forthwith" request was given to all responding FIRE/RESCUE & EMS units. Upon gaining entry to the vehicle, it was determined that the man was in cardiac arrest, he was pulled from the vehicle and CPR was started. Advanced Life Support was initiated, and he was transported by Jericho FD Ambulance 948 to Nassau University Medical Center. The man was pronounced at NUMC.