The killing of a gorilla at the Cincinnati Zoo after a
4-year-old boy tumbled into the ape's enclosure triggered
outrage and questions about safety, but zoo officials called
the decision to use lethal force a tough but necessary
Rio de Janeiro police swarmed two slums searching for
suspects in the alleged gang rape of a 16-year-old Brazilian
girl who said more than 30 men assaulted her, a case that
shocked the nation set to host the Olympics in August.