Apr. 6 - Australia urges caution over reports of 'ping' picked up by Chinese ship helping in the search for missing plane. Paul Chapman reports
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PLEASE NOTE: EDIT CONTAINS MATERIAL THAT WAS ORIGINALLY 4:3
This Chinese patrol vessel is said to have twice detected what could be a flight recorder 'ping' in the search for the missing Malaysia Airlines plane.
An Australian vessel's also reported picking up a possible acoustic signal.
But many, including Australian Prime Minister Tony Abbot, are urging caution about the reports.
(SOUNDBITE)(English) AUSTRALIAN PRIME MINISTER, TONY ABBOTT, SAYING:
"My understanding is that they are unconfirmed and the point I make is that we are hopeful but by no means certain. This is the most difficult search in human history. We are searching for an aircraft which is at the bottom of a very deep ocean and it's a very, very wide search area."
Xinhua news agency said a Chinese aircraft had also spotted white objects floating in the southern Indian Ocean
The head of Australia's Joint Agency Co-ordination Centre said neither the signals nor the sighting could be linked to the missing aircraft at this stage.
(SOUNDBITE)(English) RETIRED AIR CHIEF MARSHAL ANGUS HOUSTON, HEAD OF AUSTRALIAN JOINT AGENCY CO-ORDINATION CENTRE , SAYING:
"These signals and the objects could not be verified as being related to the missing aircraft at that point in time. That remains the case."
As the search resumed on Sunday more ships and aircraft were heading to the area where the reported pings were detected.
Malaysia Airlines flight MH370 vanished on March 8th with 239 passengers and crew on board.