Tony Abbott
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Missing plane: Australia PM says 'credible' leads give hope

23 March 2014 Last updated at 09:21 GMT

More planes have joined an increasingly international search of the southern Indian Ocean for missing flight MH370.

Australia is leading the search and said it was investigating sightings of a wooden pallet and other items.

Prime Minister Tony Abbott said the sightings were encouraging signs and gave "increasing hope".

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