Polish bobsledder Daniel Zalewski tested positive for a banned substance at the Sochi winter Olympics, the IOC has said.
Officials for the Lviv 2022 Winter Olympics bid will meet with the IOC to decide whether commitments are still being met.
Great Britain and Scotland's women have maintained their world ranking while the men have dropped one place.
Skip Oskar Erikkson believes Sweden have what it takes to retain their World Men's Curling Championship title after seeing off Canada 10-8 in their semi-final.
Sweden skip Oskar Erikkson concedes he still has big shoes to fill despite booking his place in the Worlds semi-finals.
Ewan MacDonald insists he is hellbent on finishing the World Men's Curling Championships on a high after Scotland lost to Canada.
Andrew Musgrave has beaten the best of Norway at their own game yet again after he was crowned the overall Norwegian cross country skiing champion.
Ewan MacDonald insists Scotland must now find some consistency after ending their World Men's Curling Championships in Beijing with defeat.
Ewan MacDonald admits he has learnt the hard way the small margins between success and failure.
Katie Ormerod couldn't be in Sochi herself, but says she still felt the buzz surrounding her slopestyle sport back in the UK.
Jenny Jones finished joint-third in her first event since claiming Olympic snowboard slopestyle brone.
Ewan MacDonald said luck was not on his side as Scotland fell to a narrow loss at the hands of Denmark.
Ewan MacDonald claimed his first win in four attempts at the World Men's Curling Championships.
Ewan MacDonald conceded nothing is going his way after Scotland fell to a third straight defeat at the World Curling Championships.
Mao Asada ended a four-year wait for another World Figure Skating Championships ladies' title.
Japanese teenager Yuzuru Hanyu's superb free skate made him the first man in 12 years to win the Olympic and world figure skating titles in the same year.