After a humiliating general election defeat, Australia’s National Party has bid farewell to its coalition partners of more than 60 years. But what is behind this seemingly self-defeating manoeuvre?

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