The United States expects China to return soon an underwater U.S. drone seized by a Chinese naval vessel last week, with one U.S. official telling Reuters the exchange could happen as early as Tuesday at an agreed location in the South China Sea.

China will return an underwater U.S. drone seized by a naval vessel this week in the South China Sea, both countries said on Saturday, but Beijing complained that Washington had been "hyping up" the incident.

Recent developments are highlighting how competition over shared water resources is a major contributory factor to the growing geopolitical discord in Asia. China’s “territorial grab” in the South China Sea has been accompanied by a quieter “freshwater grab” in transnational river basins. Reengineering trans-boundary water flows is integral to China’s strategy to employ power, control, influence, and fashion a strongly Sino-centric Asia. The upsurge of resource and territorial disputes has underscored the looming dangers. Various developments indeed are highlighting the linkage between water and peace.

China's deployment of necessary defensive military equipment on the Spratly Islands in the disputed South China Sea was legitimate and lawful, its defense ministry said on Thursday.

China appears to have installed weapons, including anti-aircraft and anti-missile systems, on all seven of the artificial islands it has built in the South China Sea, a U.S. think tank reported on Wednesday, citing new satellite imagery.

The United States is ready to confront China should it continue its overreaching maritime claims in the South China Sea, the head of the U.S. Pacific fleet said on Wednesday, comments that threaten to escalate tensions between the two global rivals.

President-elect Donald Trump’s announcement that the United States will quit the Trans-Pacific Partnership kills the stillborn deal. For the countries of Southeast Asia who joined this U.S. led pact, it is a moment of reflection over their policy choices, making them seek accommodation with a more certain China rather than a wavering U.S.

China's success at turning around relations with the Philippines under its new president Rodrigo Duterte show the "conspiracies" of certain countries to stir up trouble in the South China Sea have been defeated, China's foreign minister said on Saturday.

For a country with nearly 1.4 billion people and a high dependence on foreign trade, the security of sea-lanes in the Western Pacific is first of all a matter of life and death for China. Obviously any attempt to seek hegemony by controlling those sea-lanes will only lead to regional turbulence, which in turn will endanger the security of China’s own international transport routes.

Vietnam has begun dredging work on a disputed reef in the South China Sea, satellite imagery shows, the latest move by the Communist state to bolster its claims in the strategic waterway.