When South African Achmat Hassiem competes in the Paralympic swimming pool he motivates himself by imagining a shark just behind -- the shark that bit off half his leg a decade ago.
Russia's Paralympic Committee on Monday vowed to fight its ban from the Rio Games over state-sponsored doping and insisted it was committed to fighting the use of performance-enhancing drugs in sport.
The International Paralympic Committee (IPC) on Sunday banned all russians from its own Games next month because of the widespread doping culture that it says has polluted sport in the country.
