More help in missing plane hunt

Chinese investigators are set to help Malaysia's government in the search for missing flight MH370.

On Monday French experts arrived to add their weight to the growing international hunt.

(SOUNDBITE)(English) JEAN-PAUL TROADEC, FORMER DIRECTOR OF BUREAU D'ENQUETES ET D'ANALYSTES, SAYING:

"I don't think there is any sense in starting a search in the sea as long as we have not located any debris because the uncertainty zone for the moment is huge and there is no sense in starting searches under the sea when we don't have a more precise idea of the plane's location."

Australia's taken charge of scouring the Indian Ocean as the search for the Malaysia Airlines Boeing widens.

Prime Minister Tony Abbott said the measure was in response to a direct request from his Malaysian counterpart.

(SOUNDBITE)(English) AUSTRALIAN PRIME MINISTER TONY ABBOTT SAYING:

"He asked that Australia take responsibility for the the search in the southern vector which the Ma