Police say the driver of a van lost control and smashed into a tree on the sidewalk in Williamsburg Thursday night.
The accident took place at the intersection of Humboldt and Boerum streets, where several apartments and a busy walkway are located.
The NYPD said that the three people inside the car were injured as a result of the accident.
The 48-year-old male driver suffered minor injuries, and the 50-year-old male front passenger suffered a head injury and is in critical condition. A 20-year-old backseat passenger was taken to the hospital with head trauma but is expected to be OK.
No arrests have been made at as of Thursday night.