Budapest, June 23 (AFP/APP): Australian 18-year-old Mollie O’Callaghan edged world record holder Sarah Sjostrom to win the women’s 100m freestyle gold at the World Swimming Championships on Thursday. O’Callaghan,a double Olympic relay gold medallist, edged the 28-year-old Swede by 0.13sec. American Torri Huske took bronze. […]