Although I know the word "convention" means "agreement to behave in a particular way", I cannot still simplify the line below.
"Malaysia needs to take control under the Chicago convention of those investigations."
Here is the full context:
Australia's Deputy Prime Minister Warren Truss said the Malaysian statement moved the search to a new phase.
"It moves it to a stage where we are now investigating an accident, a loss of an aircraft and some new decisions will have to be taken now about the direction of future operations," Truss told reporters.
"Malaysia needs to take control under the Chicago convention of those investigations."
The United States said it was sending an undersea Navy drone to Australia, in addition to a high-tech black box detector, to help in the search.