` We want something solid before commenting on anything . A Chinese ship hears a pulse signal in the southern Indian Ocean . Families of passengers react with caution . Score: 6 `` THERE IS NO CONFIRMATION , '' another relative of a passenger says in a text message .
A Chinese ship hears a pulse signal in the southern Indian Ocean . Families of passengers react with caution . Score: 6 `` THERE IS NO CONFIRMATION , '' another relative of a passenger says in a text message .