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(CNN) - With lead after lead failing to pan out, search and rescue officials said Monday they will expand the search area for the Malaysia Airlines aircraft that vanished three days ago.
The newly expanded search area encompasses a larger portion of the Gulf of Thailand between Malaysia and Vietnam, said Azharuddin Abdul Rahman, director general of the Malaysian Civil Aviation Department.
Nearly three dozen aircraft and 40 ships from 10 countries have so far failed to find any sign of the aircraft.