The operation is becoming too dangerous for divers , technical experts say . The commander of the operation is unlikely to contact them , his office says . 15 people are still missing after the January 13 shipwreck off the coast of Chile . The captain of the MV Aurora is under house arrest .
The operation is becoming too dangerous for divers , technical experts say . The head of the operation is unlikely to overrule them , his office says . 15 people are still missing after the January 13 shipwreck off the coast of Italy . The captain of the Costa Concordia is under house arrest .