PERTH, AUSTRALIA ¨C Australian Prime Minister Tony Abbott said on Sunday searchers were ¡°hopeful but by no means certain¡± that a pulse signal reportedly detected by a Chinese ship in the Indian Ocean was related to a Malaysia Airlines jetliner missing for four weeks.
Chinese state news agency Xinhua reported that a patrol vessel hunting for Flight MH370 had picked up a ¡°ping¡± on Saturday, raising hopes that it could be from the underwater beacon of the plane¡¯s ¡°black box¡± voice and data recorders.
Australian search authorities said such a signal would be consistent with a black box, but both they and Xinhua stressed there was no conclusive evidence linking it to the Boeing 777 that went missing on March 8 with 239 people aboard shortly after taking off from Kuala Lumpur for Beijing.
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