Japanese police said Monday that they had detained two men from the United States after one of them entered the enclosure of Punch, a 9-month-old macaque who has become an internet sensation, as the o...

An American man wearing a costume broke into a Japanese zoo enclosure over the weekend that houses Punch, a baby macaque who became a global internet sensation earlier this year for his bond with a pl...

ABC News' Japanese partner network NHK reported that the two men arrested are U.S. nationals in their 20s.