Australia, Indonesia, and Malaysia will lead a new initiative to improve the monitoring of aircraft over remote oceans, allowing them to be more easily found should they vanish like Malaysia Airlines Flight 370.

Airlines started flying a backlog of thousands of stranded passengers to and from Australia’s second-largest city today after an ash cloud from a Chilean volcano began to clear.

More than 250 passengers were evacuated from a Thai Airways jet after a tyre blew, sparking several small fires, during a heavy landing today at southern Australia’s Melbourne Airport, an official said.