3 security guards battle pirates , jump overboard as tanker hijacked off Mombasa . Liberian trio were rescued from water by Indians naval helicopter . British -flagged Biscaglia also carrying 25 German , 2 Bangladeshis . There was no immediate information about the 25 crew members on board the ship when it was taken . Pirates release Greek ship MV Centauri , held since September .
3 security guards battle pirates , jump overboard as tanker hijacked off Mombasa . Liberian trio were rescued from water by Indians naval helicopter . British -flagged Biscaglia also carrying 25 German , 2 Bangladeshis . Pirates release Greek ship MV Centauri , held since September .