The Philippine navy recently found a large steel marker bearing Chinese inscriptions and hundreds of yellow buoys in waters near the Reed Bank, an area of the South China Sea where Manila has long explored for oil and gas, Philippine naval sources said.
U.S. Democratic presidential candidate Hillary Clinton accused China on Saturday of stealing commercial secrets and "huge amounts of government information," and of trying to "hack into everything that doesn't move in America."
China has almost finished building a 3,000-meter-long (10,000-foot) airstrip on one of its artificial islands in the disputed Spratly archipelago of the South China Sea, new satellite photographs of the area show.
China's military on Thursday accused the Philippines of trying to "rope in" other countries to the dispute over ownership of the South China Sea and stir regional tension after Japan joined a military drill with the Philippines.
The Philippines will hold separate naval exercises with U.S. and Japanese forces this week on a Philippine island that is not far from the disputed Spratly archipelago, where China's rapid creation of seven island outposts is stoking regional tensions.
A U.S.-Philippine defense agreement that would help counter China's growing naval power in the disputed South China Sea has yet to be implemented more than a year after it was signed, and could now face a fresh political hurdle in Manila.
China will soon complete some of its land reclamation on the Spratly islands in the disputed South China Sea, the Foreign Ministry said on Tuesday, indicating that Beijing is close to setting up new outposts in the maritime heart of Southeast Asia.
Group of Seven leaders will express their concern over any unilateral action to change the status quo in the East and South China Seas amid tensions between China and a number of Asian countries, Japan's Yomiuri newspaper said on Saturday.
Philippine President Benigno Aquino made a veiled comparison on Wednesday between China's activities in the South China Sea and Nazi Germany's expansionism before World War Two, echoing similar remarks he made last year that outraged Beijing.
The United States said on Friday that China had placed mobile artillery weapons systems on a reclaimed island in the disputed South China Sea, a development that Republican Sen. John McCain called "disturbing and escalatory."
U.S. Defense Secretary Ash Carter on Wednesday called for an immediate end to island-building by China and other countries near the South China Sea, urging the participants to stop militarizing the dispute and find a peaceful solution.
China outlined a strategy to boost its naval reach on Tuesday and held a groundbreaking ceremony for two lighthouses in disputed waters, developments likely to escalate tensions in a region already jittery about Beijing's maritime ambitions.
Japan will join a major U.S.-Australian military exercise for the first time in a sign of growing security links between the three countries as tensions fester over China's island building in the South China Sea.
The Philippines is seeking a "stronger commitment" from the United States to help its ally, the defense minister said on Monday, as China asserts its sovereignty over disputed areas of the South China Sea.
China said it had lodged a complaint with the United States over a U.S. spy plane that flew over parts of the disputed South China Sea in a diplomatic row that has fuelled tension between the world's two largest economies.
Vietnam said it resolutely opposes a temporary Chinese ban on fishing in the Gulf of Tonkin, the latest in a series of sovereignty disputes in and around the South China Sea.
China's ties with the United States remain stable, Chinese President Xi Jinping said on Sunday, as he sought to defuse tension over a territorial dispute in the South China Sea that has raised fears of confrontation between them.
The United States and China clashed over a territorial dispute in the South China Sea on Saturday, as China's foreign minister asserted its sovereignty to reclaim reefs saying its determination to protect its interests is "as hard as a rock".
The U.S. Marine Corps is bringing together foreign commanders from amphibious forces deployed mostly in the Asia-Pacific for a conference aimed at taking steps to integrate operations, with China excluded from the event, according to officials and planning documents.
The Philippines issued new rules for ride-sharing services such as Uber on Wednesday, becoming the first country to regulate specifically for such app-based car-hailing operations and prompting threats of legal action from the taxi industry.
China rebuked the Philippines on Tuesday for taking journalists to a disputed island in the South China Sea, dismissing its occupation as "futile and illegal" in the latest war of words between the two sides.