Christopher Burton of Australia rides Santano II in the equestrian eventing dressage competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016.
Christopher Burton of Australia rides Santano II in the equestrian eventing dressage competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016. John Locher AP
Christopher Burton of Australia rides Santano II in the equestrian eventing dressage competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016. John Locher AP

Official says stray bullet at Olympic event came from a slum

August 07, 2016 8:18 PM