In the run-up to the 2024 Paris Olympics, we take a look at so-called technology doping – or how innovative sports equipment can provide a comparative advantage to athletes and sometimes create inequalities between nations. It's a growing issue in the Paralympic Games particularly as technology is precisely what is allowing disabled athletes to compete.

When athletes retire, they generally don't have the athleticism they used to and it is usually long overdue, but that is not always the case. Here are five athletes who retired in their prime.

Cristiano Ronaldo became the world's highest-paid athlete after his move to Saudi Arabian side Al-Nassr nearly doubled his annual playing salary while PSG duo Lionel Messi and Kylian Mbappe round off the top three, according to Forbes.

For seven months, large groups of people in Iran have been demonstrating for their freedom. The role of sports in this struggle is a sensitive subject.