Australian Prime Minister Tony Abbott has said the search for missing flight MH370 is now "entering a new phase". He said the effort would now be "focussed on searching the ocean floor" over a "much larger area" than is currently being covered.
The search for the missing Malaysia Airlines plane is likely to take years, a senior US defence official has told the Reuters news agency.
His comments come after the initial underwater search failed to find any trace of the wreckage.
The relatives of passengers onboard flight MH370 know there is a huge need to keep the media’s interest in their campaign for the truth.
How has the search for the missing Malaysia Airlines plane progressed in the month since its disappearance?
Ships hunting for a missing Malaysia plane have picked up separate acoustic signals in different parts of a vast Indian Ocean search