The Malaysia Airlines jet vanished in March 2014 with 239 people -- mostly from China -- on board, en route from Kuala Lumpur to Beijing.
Flight MH370, carrying 239 people, vanished enroute from Kuala Lumpur to Beijing on March 8, 2014.
A team of international investigators found that the Buk anti-aircraft system used to bring down the jet belonged to Russia.
The latest search for the Boeing 777, which vanished in March 2014 carrying 239 people, kicked off on Monday run by private exploration firm Ocean Infinity.
The MH370 disappearance en route from Kuala Lumpur to Beijing in March 2014 with 239 people aboard ranks among the world's greatest aviation mysteries.
A Sri Lankan man who threatened to set off a bomb on a Malaysia Airlines flight has pleaded guilty in an Australian court to attempting to take control of an aircraft.
US seabed exploration firm Ocean Infinity, Dutch company Fugro -- which was involved in the original hunt -- and a Malaysian company have made offers, Transport Minister Liow Tiong Lai said.
Officers from Malaysia's Department of Civil Aviation have been sent to Madagascar to verify whether a piece of debris found on the island could be from missing Malaysia Airlines flight MH370, local media reported.
Australia's main scientific agency said it believed with "unprecedented precision and certainty" that a missing Malaysia Airlines aircraft crashed into the sea northeast of an area scoured in a fruitless two-year underwater search.
Ukrainian President Petro Poroshenko on Monday insisted Russia must be held to account over the downing of Malaysia Airlines flight MH17, three years on from the tragedy that killed 298 people.
The perpetrators who brought down Malaysia Airlines Flight MH17 in July 2014, killing all 298 aboard, may be tried in absentia, Australian Foreign Minister Julie Bishop said on Sunday.