A 26-year-old is in critical condition after being struck Monday night by a Nassau County Police Department ambulance in Elmont, News 12 is told.
It happened at Hempstead Turnpike and School Street around 8:15 p.m.
The man suffered a head injury.
Police say the person was taken to the hospital.
News 12 is told that the ambulance did have its lights and sirens activated.