Manchester, NY -- State police say a one-car crash on the Thruway near Manchester, killed two children -- ages 9 and 11.
Police are still trying to determine what caused the crash, but it happened in the westbound lanes around 5:45 Monday morning.
The vehicle ended up on its side in the right lane.
The children were pronounced dead at the scene.
A man was taken to the hospital in critical condition. A woman has non life-threatening injuries.
State Police are looking for a second vehicle that was not involved in the initial accident, but the driver may have unknowingly struck one of the children.Troopers are looking for a Honda that has some damage to the undercarriage and is leaking fluids.