'A nightmare': father shattered after unlicensed driver allegedly kills children in NSW hit and run

Two other children hurt and a 34-year-old woman was critically injured after car hit them at high speed

A father has said he is living a nightmare" after two of his young sons were killed when an unlicensed driver hit a group of five pedestrians in central west New South Wales.

Police say the 25-year-old driver - who allegedly never held a driver's licence and was later caught with a prohibited drug - fled the scene of the crash on foot.