It may feel at times that the US election has turned into child's play, and a childhood game may be the best way to explain what could lie ahead for the Republicans this summer.

Donald Trump is currently leading the delegate count after winning a number of primaries and caucuses, but if he doesn't arrive at 1,237 delegates by the end of June, Republicans could have a contested convention on their hands when they meet in Cleveland.

What happens in a contested convention? It looks a lot like Hungry Hungry Hippos. The BBC's Rajini Vaidyanathan and Anthony Zurcher explain.

Filmed and edited by Franz Strasser

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