Alexander Zubkov, a hero in Russia after winning both the two-man and four-man bob in the Russian Black Sea resort, was disqualified and his results struck off.
As per the NADA code, athletes caught for a second anti-doping rule violation get a maximum suspension of eight years.
The 34-year-old is the first athlete to win the Great North Run four times in a row. He is now level in terms of most victories with Kenya's Benson Masya, who was champion four times in the 1990s.
French police arrested a 24-year-old man Thursday in connection with an assault on French world 800 metres champion Pierre-Ambroise Bosse, sources close to the investigation said.
Mo Farah, who had agonisingly fallen just short of a third successive distance world double in London last Saturday taking silver in the 5,000 metres, cruised home in the 3,000m at the Birmingham Diamond League meeting.
One of the selection committee members said it was not possible to include all medal winners of the Rio Paralympics.
Usain Bolt found solace in Manchester United's win after a rough week at the World Athletics Championships.
Slated to run the final leg of the men's 4x100 relay for Jamaica, Bolt tumbled to the track with an injury just after teammate Yohan Blake handed him the baton.
Usian Bolt said his emotions were still in check at the thought of bowing out of track and field.
Wayde an Niekerk, at just two-hundredths of a second, added silver to the 400m gold medal he won on Tuesday, unable to catch Ramil Guliyev in his strong finish and plunge for the line.
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