It happened around 1:50 p.m. Friday, April 2 in Carle Place.
The Nassau County Police ambulance was traveling eastbound on Old Country Road with engaged emergency lights and sirens when the collision happened with a Mercedes-Benz SUV traveling westbound, according to authorities.
The Mercedes made a left turn onto Zeckendorf Boulevard from Old Country Road at the time, police said.
A Land Rover stopped on Zeckendorf Boulevard was also impacted during the accident, according to police.
As a result of the collision, a Nassau County Police Medic was injured and transported to a local hospital for treatment and he is currently in stable condition, said police.
The male operator, age 33, of the Mercedes was also injured and transported to a local hospital, currently listed in critical condition, said police.
The 56-year-old female operator of the Land Rover was not injured.
The investigation into this accident continues.
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