UK officials say Russian intelligence took aim at the 2020 Olympics before they were delayed.
UK Sport will focus future funding of Olympic and Paralympic sport on medal potential over a 12-year period instead of four.
Olympic bronze medallist Nile Wilson welcomes the announcement by Jane Allen that she will retire from her position as chief executive of British Gymnastics.
British Gymnastics chief executive Jane Allen is to retire in December despite ongoing investigation into allegations of mistreatment in the sport.
Lord Coe says he supports athletes who wish to take a knee at the Tokyo Olympic Games despite rules which forbid protests.
Tokyo Olympics organisers announce plans to save 30bn yen (£220m) at next year's rearranged Games.
Grace Reid talks somersaulting into trees, wiling away the hours baking and her hopes for next year's Olympics.
British climber Shauna Coxsey hopes her sport will still make its much-anticipated Olympic debut next year, but only if it is "truly safe" to hold it.
Record-breaking surfer Maya Gabeira on why she "wasn't ready to give up" after almost drowning.
Connor Bainbridge and Ellie Aldridge win gold in the mixed team relay at the Kiteboarding European Championships.
Olympic 400m champion and world record holder Wayde van Niekerk quips "he forgot how to race" as he wins on his international return.
Olympic medallist Amy Tinkler says British Gymnastics are "prolonging my suffering" after her formal complaint was dismissed last month.
Watch the incredible moment Maya Gabeira breaks the world record for the largest wave surfed by a woman after riding a 73.5 foot wave in Portugal.
Athletes in all sports could be named at the point they are charged with breaking anti-doping rules, under a new proposal.
The rearranged 2020 Tokyo Games must take place "at any cost" in 2021, says Japan's Olympic minister.
Relive the best of the action from day 13 of London 2012, including Usain Bolt in the 200m final and success in the ring for Nicola Adams and Katie Taylor.
Watch the best of the action from day 12 of London 2012, including Nicola Adams' convincing semi-final win and a snapped pole for Lazaro Borges.
Catch up with the best of the action from day 11 of London 2012, including Sir Chris Hoy's heroics in the velodrome as he claims a historic sixth gold medal.
Relive the best of the action from day 10 of London 2012, featuring Jason Kenny's gold medal in the men's sprint, Nicola Adams' Olympic debut and Anthony Joshua dominating in the ring.
Catch up with the best of the action from day nine of London 2012 as Usain Bolt storms to gold in the 100m and Great Britain's Andy Murray beats Roger Federer to win his biggest title to date.
Relive the best of the action from Super Saturday at London 2012 as Mo Farah, Jessica Ennis-Hill and Greg Rutherford win three gold medals on an unforgettable day for Team GB.
Catch up with the best of the action from day seven of London 2012 as Great Britain's Victoria Pendleton storms to gold in the keirin and Jessica Ennis-Hill leads the heptathlon after the first d...