Migrants rescued as boat catches fire in Channel

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More than 170 migrants have been rescued after the boat they were using to cross the English Channel caught fire. The boat was attempting to travel to the UK when its engine caught fire, according to the French authorities. We hear from an aid worker about the changing tactics of people smugglers. Also on the programme: the US primary election that could shape the future of the Democratic Party; and what we can learn from a rocket crashing into the moon.