Fans watch the final episode of Game of Thrones at a watch party in the Manhattan borough of New York City, U.S., May 19, 2019. REUTERS\/Caitlin OchsLOS ANGELES (Reuters) - Some 19.3 million U.S. viewers watched the series finale of television\u2019s \u201cGame of Thrones\u201d on Sunday - a record audience for the fantasy series, cable channel HBO said. HBO, a unit of AT&T\u2019s Warner Media, said Sunday\u2019s live television audience and viewers on its HBO GO and HBO NOW apps exceeded the previous series high of 18.4 million for the penultimate episode a week ago. The series set among warring families in the fictional kingdom of Westeros, which began in 2011, is HBO\u2019s biggest hit. Reporting by Jill Serjeant, Editing by Rosalba O'BrienOur Standards:The Thomson Reuters Trust Principles.