With the Rio Olympics less than three weeks away, the IOC on Monday promised "the toughest sanctions available" after a report found Moscow had concealed hundreds of positive doping tests in many sports ahead of the Sochi winter Games.
Athletes arriving in Tokyo for next year's Olympic Games, postponed from 2020 because of the COVID-19 pandemic, will be exempt from the 14-day isolation period Japan has imposed on anyone arriving from overseas to help stop the virus spreading.
The World Anti-Doping Agency (WADA) on Monday recommended that the IOC and International Paralympic Committee should consider banning all athletes entered by the Russian Olympic Committee for next month's Rio Olympics.
A summary of sports events and persons who made news on Friday
The payment of Kremlin grants will cease the month after anti-doping authorities find an athlete, coach or sports specialist guilty of involvement in the use of performance- enhancing drugs, Putin's decree said.
Russia's exclusion from next month's Paralympic Games in Rio is a different situation from the IOC's decision to allow some Russian competitors to take part at the Olympics, International Olympic Committee President Thomas Bach said on Monday.
Summary of sports events and persons who made news on Friday
Summary of sports events and persons who made news on Wednesday
After devoting years to the difficult pursuit of perfection, some fall wayward.
The WADA report also identified "systematic failures" at the IAAF, athletics' world governing body, which has been rocked by a French judicial investigation into fraud involving its former chief Lamine Diack and other senior officials.
American swimmer Michael Phelps, the most decorated Olympian of all time, said on Tuesday he hopes this year's Rio Olympics can help heal a sports world hit by recent doping and corruption cases.
Russia claimed the IAAF's decision to continue its ban of Russian athletics on Friday was unfair and threatened legal action, while the rest of the world welcomed the move and urged the IOC not to go against it.
A summary of sports events and persons who made news on Saturday
Summary of sports events and persons who made news on Tuesday
Summary of sports events and persons who made news on Tuesday