Two children are dead and three people injured after a hit and run near Dubbo.
Emergency services were called to Warne Street in Wellington abut 4:30pm on Tuesday after reports five people were hit by a car at high speed.
NSW Police told AAP two children have been pronounced dead, while another has been airlifted to hospital in a serious condition.
A fourth child and an adult were also rushed to hospital.
"We were confronted with an absolutely devastating scene in Wellington," NSW Ambulance Superintendent Andrew DeGabriel said in a statement.
"It's heartbreaking for this to happen to such a small community."
The driver fled the scene and is yet to be located by police.
"Officers are on scene and have commenced investigations into the circumstances surrounding the incident," a spokesperson told AAP.