The agency said its decision to expand blood screening in the United States was, in part, based on concerns about more cases of local transmission in Florida,
The U.S. swimmer said he and three team mates were robbed at gunpoint during the Olympics.
Brazil breathed a collective sigh of relief at having pulled off South America's first Games.
The swimmers, Jack Conger and Gunnar Bentz, have yet to comment on the incident.
Egyptian Islam el-Shahabi loses out to Israel's Or Sasson in the 100kg weight class.
European champion Andranik Karapetyan's elbow hyperextended.
Brazil's law-making organ votes votes 59 to 21 in favor of trying the country's embattled leader.
Chinese pair in their first Olympics together stand atop the medal platform, with the U.S. earning silver and Great Britain bronze.
Politics, partying and Parkour: How Brazil welcomed the world to Rio 2016.
London 2012 producer tells Newsweek why opening ceremonies are so important.
Rugby sevens will be part of the Games for the first time in Brazil.
The Italian manager is preparing for his first season at Stamford Bridge.
Around 57 percent of people are less interested in the Games now.
Jihadi chatter centers on attacks against athletes that will gain media attention worldwide.
A Brazilian group pledged allegiance to ISIS Tuesday, three weeks before the summer games start.