18-year-old woman shot dead in apparent road rage incident

Police in Pennsylvania are searching for a man who shot and killed an 18-year-old woman in what officers said was a road rage incident.Officers initially responded to what they thought was a fatal collision at West Goshen, west of Philadelphia, when they discovered that the driver, Bianca Roberson, had been shot in the head.Police now believe the teenager, who had recently graduated from high school, was targeted by another driver who shot her as she attempted to merge into the same lane as his