If the ruling goes against China and Beijing responds with a show of force, it will be a critical test of how far the U.S. will go to support its allies.
In total, authorities have found five pieces of wreckage believed to be from the plane.
Security experts have warned this could be the first of many military flights.
"If our country is threatened or being encroached, we Malaysians should rise to defend our country," he told a gathering in Kota Kinabalu.
The U.S.'s goal is to remind China and other countries about America's right to freely navigate the region.
Ahead of Myanmar's historic elections, a new report finds evidence of ongoing genocide against the Muslim minority group.
An Air France pilot on Tuesday reported seeing an object floating in the water near Réunion Island in the Indian Ocean.
Diplomats are covering up the trade in human lives in China, Cuba and Malaysia.
About 30 relatives marched to the Malaysian Embassy in Beijing on Friday.
Officials couldn't immediately confirm whether the fragments belonged to Malaysia Airlines Flight 370.
The wing fragment found last week on Reunion Island was confirmed to be from Malaysian Airlines Flight 370.
Rights groups question better grades for countries with which the U.S. seeks closer ties
Russia continues to reject a U.N.-backed tribunal.
A newspaper report said investigations into troubled state fund 1MDB traced nearly $700 million of deposits into accounts.
The famed CIA officer served while the U.S. and Soviet Union fought proxy wars in Southeast Asia.
The four tourists, who were blamed by some for a deadly earthquake, were sentenced to three days in jail, fined and will be deported.
The amount they received was undisclosed.
Almost 140 shallow graves were discovered near the border with Thailand.
Authorities don't know yet how many bodies are in each of the 139 grave sites.
Myanmar has up to now resisted calls for it to take part in meetings on the migrant crisis.
Fleeing persecution, Rohingya migrants are being kept at sea by countries that don't want them.
The Rohingya, a persecuted Muslim minority in Myanmar, were among the hundreds of refugees rescued in Malaysia and Indonesia this weekend.
The beacon battery for the flight data recorder expired in December 2012 and was not replaced.