Michael Phelps wins 19th Olympic gold, Katie Ledecky breaks record

    By James Masters, CNN

    Updated 1641 GMT (0041 HKT) August 8, 2016

    Michael Phelps and Caeleb Dressel of United States celebrate their win the men's 4 x 100m freestyle relay on day 2 of the Rio 2016 Olympic Games on Sunday, August 7.
    Photos: Rio Olympics: Day 2
    Michael Phelps and Caeleb Dressel of United States celebrate their win the men's 4 x 100m freestyle relay on day 2 of the Rio 2016 Olympic Games on Sunday, August 7.
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    The United States' Katie Ledecky celebrates after winning the gold medal in the women's 400m freestyle final.
    Photos: Rio Olympics