Billy, the two-year-old gorilla, went head to head with a grown man to see who would come out on top. Billy, the two-year-old gorilla, went head to head with a grown man to see who would come out ...

A day out at the zoo watching a well-known gorilla play suddenly turned violent when he hurled a stone into the crowds. The huge animal, known to fans as Diunaxing, was playing in front of ...