UNIONTOWN, Pa. -- A 12-year-old boy was shot and killed by state troopers after he led them on a chase in a stolen car, authorities said. Michael Ellerbe led troopers on a chase Tuesday afternoon, crashed the car and then tried to run away, state police said. While chasing the boy, the troopers shot him, police said. He was pronounced dead at a hospital. Troopers Juan Curry and Samuel Nassan have been placed on administrative leave, pending an internal investigation. Police declined to discuss the incident further, citing the probe. Uniontown is located about 40 miles south of Pittsburgh.