Stray bullet flies into equestrian press centre

By Caroline Stauffer RIO DE JANEIRO (Reuters) - A stray bullet cut through the plastic roof of the equestrian media centre in Rio de Janeiro on Saturday, alarming journalists and underlining concerns about the host city's ability to guarantee security at the world's biggest sporting event. The equestrian venue is sited next to a military complex, though police are still trying to discover who fired the bullet and from where, a spokesman for the Rio 2016 organising committee said. "It was a stray