Robotic patrol boats could safeguard the seas from piracy and fight ocean-going people traffickers, reports Tracey Logan in the BBC World Service's Discovery programme.


Pirates attacked the Seabourn Spirit in November
Passengers aboard the Seabourn Spirit, a luxury liner sailing off the coast of Somalia, came face to face last month with the growing problem of piracy, especially planned assaults and ocean hijackings using fast boats and sophisticated weapons.


As the pirates go hi-tech, so ships must use more advanced technology in their defence, according to the latest report from the International Maritime Bureau.


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