PHOENIX - Police are on the scene of a serious single-vehicle accident in West Phoenix.
According to Phoenix fire Capt. Mark Vanacore, firefighters transported two children in critical condition and two adults in serious condition to the hospital.
The accident occurred Sunday afternoon near 35th Avenue and Indian School Road.
Video from the scene showed a passenger car that appears to have crashed into a tree in a median between west and eastbound traffic lanes.
Authorities say the children, ages 2 and 4, were not properly restrained.