Brazilian Ramos, China's Chen barred from Olympic Games for doping

Brazilian cyclist Kleber Ramos and Chinese swimmer Chen Xinyi were disqualified from the Olympic Games on Thursday for having failed dopi...

Bolt stays on track for historic treble-treble with 200m win

-Bolt takes 200m gold in 19.78 -Jamaican closes on triple triple -Canada's De Grasse takes silver The incomparable Usain Bolt p...