The Australian Maritime Safety Authority has been informed of the objects sighted by Chinese aircraft and attempts will be made to relocate the objects.
The disappearance of a Malaysian plane has prompted calls for in-flight streaming of black box data over remote areas.
Sources said investigators believe the missing MH370 most likely went to the southern end of one of two "corridors" that include a vast area curving from west of Indonesia to west of Australia.
Malaysia's top official in charge of the search for a missing jetliner rejected criticism on Tuesday from US officials that it has not been sharing as much information as it could with foreign governments.
Malaysia rejected criticism from US government that it has not been sharing as much information as it could about the disappearance of passenger jet.
Director General of Lao PDR's Civil Aviation Department Yakua Lopangkao said there is no reason to suspect missing Malaysia Airlines Flight MH370 entered Lao airspace.
No passenger from Chinese mainland aboard the missing MH370 flight might be involved in hijack or terror attack, Chinese ambassador to Malaysia says.
Malaysian police are investigating a flight engineer who was among the passengers on the missing plane as they focus on the pilots and anyone else on board who had technical flying knowledge.
House of Catain Zaharie Ahmad Shah, the pilot of missing plane, is located in Laman Seri, a community in Kuala Lumpur's suburbs in Malaysia, where villas are worth millions of Malaysian ringgits.
China plans to send five more experts to Malaysia to help in the search operations while police are combing through the personal, political and religious backgrounds of pilots and crew of a missing plane.
The air traffic control authorities in the southern Indian city of Chennai facing the Bay of Bengal has joined search for missing Malaysia Airlines jet, said local media Sunday.
Latest information that someone deliberately disabled the transponder and changed the route of the missing Malaysia Airlines flight MH370 means the passengers could still be alive.
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