The Spanish parliament have approved a new anti-doping law which officials say will boost Madrid's 2020 Olympic Games bid.
Violent protests that have hit Turkey will have no bearing on Istanbul's candidacy to host the 2020 Olympics, bid leaders said.
Rio de Janeiro's Joao Havelange stadium is to stay shut for 18 months while the roof is repaired.
Madrid is highlighting its facilities while Istanbul points to the strength of the Turkish economy ahead of IOC 2020 pitches.
Former Olympic pole vault champion Sergei Bubka is expected to announce his bid for the presidency of the IOC on Tuesday.
Puerto Rican banker Richard Carrion launched his bid for the presidency of the IOC on Wednesday
Singapore's Ser Miang Ng officially launched his bid for the presidency of the International Olympic Committee on Thursday.
India has assured the IOC of the Olympic movement's autonomy in the country in a first step towards mending relations.
Singapore's Ng Ser Miang is expected to announce a bid for the International Olympic Committee presidency on Thursday.
The Canadian Olympic Committee has said it will back a possible Toronto bid for the 2024 Summer Olympics.
Turkish Prime Minister Tayyip Erdogan jokingly asked Japanese counterpart Shinzo Abe to withdraw Japan's 2020 Olympics bid.
Australian Olympians must cooperate fully with their national anti-doping agency over the use of banned substances.
Madrid's 2020 Olympic submission should not be penalised for the Operation Puerto farce according to the bid chief.
Naoki Inose, who heads Toyko's bid for the 2020 Olympics, has apologised for "inappropriate" comments he made.
Philadelphia is exploring a bid to host the 2024 Olympic Games, Mayor Michael Nutter has said.
It's time to grab your final chance to get hold of some souvenirs from the London 2012 Olympic Games.
India appears no closer to a return to the Olympic fold as the country's Olympic association and sports ministry bicker.
Istanbul's presentation of its bid to host the 2020 Olympic Games left an "excellent impression".
The damage which has closed Rio 2016's Joao Havelange stadium athletics venue will take up to two months to find a solution.
Rio de Janeiro's Joao Havelange stadium, scheduled to host athletics at the 2016 Olympic games, has been closed for repairs.