"If they don't stop, we fire at the ship"

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The aggressive crackdown on illegal fishing in Indonesia's waters. The BBC's Rebecca Henschke joins an Indonesian patrol crew to find out how it is driving out unwanted fishing vessels from the country's waters. (Picture: A fishing boats is blown up by the Indonesian government in Kepulauan Riau province in February 2016. Credit: SEI RATIFA/AFP/Getty Images)