Meet the Tunisian fisherman determined to keep saving migrants at sea

European migration policy has a direct impact on the fishermen of Zarzis, a village in the south of Tunisia. Like national border guards, fishermen are required by international law to provide assistance to people in distress at sea. But this obligation can put them at odds with European authorities. Our Tunisia correspondents met one fisherman who has been arrested and accused of smuggling migrants, but is determined to keep saving lives.