14-year-old girl dead after truck hits 3 in Vegas

One of three pedestrians who was struck a pickup truck in a Las Vegas street over the weekend has died.Clark County coroner's officials say 14-year-old Helen Liu died at the hospital after the crash, which happened a little before 9 p.m. Saturday on Blue Diamond Road.Nevada Highway Patrol troopers say the three juveniles were crossing the street outside a marked crosswalk when they were hit near Cimarron Road.Two of the victims were airlifted to hospitals, while one was taken by ground ambulance.