Footballers at this summer's World Cup will be among the first athletes to face a new testing system designed to weed out doping in sport.
Under the new regime athletes will have blood and urine samples compared over time to create a 'biological passport' that tracks changes in their body over time.
Major sports federations, medics and doping experts agreed to the new system, which they hope will combat increasingly sophisticated doping techniques.
More top news
The announcement came a day after a famine was declared in two areas of South Sudan following three years of civil war and severe inflation.
It is unclear what their alleged plans were.
Anti-terror police are currently questioning the men who were arrested at three separate locations in France.