The United States set a world record of three minutes and 50.40 seconds in the women's 4x100m medley relay final at the world championships on Sunday.
Olympic swimming gold medallist Park Tae-hwan has been left "shocked" by a positive doping test, which his agency has attributed to an injection given to the South Korean swim star during chiropractic treatment ahead of last year's Asian Games.
Australia set a world record of 7:41.50 en route to winning the gold medal in the women's 4x200 freestyle relay at the world championships on Thursday.
Defeats in sports dominated by China at previous Olympics have left the country in an unfamiliar third place on the medals table, with some predicting that Rio 2016 could witness the lowest haul in two decades.
A scarcity of gold medals in the first few days of the Olympics is leading China to reflect on its past obsession with finishing first, amid agreement that being champion is no longer everything.
Summary of sports events and persons who made news on Wednesday
Britain's James Guy held off a host of Olympic champions to win his first world title, the men's 200m freestyle, at the world championships on Tuesday.
A summary of sports events and sports persons, who made news on Wednesday.
BCCI's decision to not send Indian teams for the Asian Games drew sharp criticism from the Olympic Council of Asia (OCA) on Saturday, which accused the influential cricket board of treating the sport just as a business venture.
An array of Olympians and stars of sports niche and new arrive in the South Korean city of Incheon for the 17th Asian Games this month, bringing together some 10,000 athletes for a 16-day multi-sport spectacular second only in scale to the Summer Olympics.
A summary of sports events and sports persons, who made news on Monday
Drysdale wins close single sculls gold Also, check out late gold medal winners from Day 7...