Ukrainian skeleton racer Vladyslav Heraskevych was not allowed to compete in a helmet decorated with pictures of athletes killed in the war with Russia. But is it really true that the Olympics are apolitical?

Explainer 511: Why is Germany telling Syrians to return home?
07:12

Why has Israel invaded Lebanon?
33:29

Explainer 510: From Angola with love: are there Russian spies in southern Africa?
06:58