With less than 100 days to go before Paris hosts the 2024 Olympics, which organisers plan to open with an elaborate waterborne ceremony on the Seine river, concerns are mounting about the efficiency of the anti-drone shield meant to protect the French capital from a potential terror attack. According to several security sources, recent tests have exposed some worrying flaws in the system.

An organisation of Olympic sports federations on Friday said the decision by World Athletics to award prize money to gold medallists in its events "undermines the values of Olympism".

Real Madrid exacted revenge on Manchester City to reach the Champions League semi-finals 4-3 on penalties after withstanding a barrage at the Etihad on Wednesday.