'100 percent' accident
Tony Stewart says the crash that killed 20-year-old Kevin Ward Jr. on a dirt track in upstate New York was "100 percent" an accident.
Kevin Ward Jr.
Lasting affect
Tony Stewart says the death of Kevin Ward Jr. will "affect my life forever" as he returned to the track for the first time since his car struck and killed the fellow driver during a sprint-car race in New York.
Ward's funeral services
Mourners are streaming into the upstate New York high school where funeral services are being held for Kevin Ward Jr., the dirt-track racer killed by NASCAR champion Tony Stewart during a race last weekend.
Weekend tragedy
Tragedy struck over the weekend when NASCAR driver Tony Stewart's car struck and killed dirt-track racer Kevin Ward, Jr. during a race.