The search for the missing continues on the wreck of the Costa Concordia, off the Italian island of Giglio.<br/> Rescue workers are using explosives to open passageways within the cruise ship, as divers race to find those unaccounted for.<br/> (SOUNDBITE) (Italian) SPOKESMAN OF THE NAVY, ASSESSANDRO BUSONERO, SAYING:<br/> "This morning at 7 o'clock the activities of our Navy divers started. We've had two explosions already in the area of bridge 4 at the rear of the ship about 18 metres under water. These new holes will allow new access to continue the rescue operation."<br/> At least a dozen explosions have been carried out on the half-submerged cruise liner since rescue operations began 10 days ago.<br/> Divers have found 13 bodies, eight of whom have been identified.<br/> The 290-metre-long vessel ran aground on January 13 after sailing unusually close to shore.<br/> It's the largest passenger shipwreck by tonnage ever recorded.<br/> Travis Brecher, Reuters
