Analysts say the oil-rich waters around Scarborough Shoal and the Paracels are but one factor in the increasingly prickly relations between China and the Philippines.
North Korea threat: Washington says it has traced the sale of truck parts North Korea used to transport missiles to a Chinese company. Is Beijing not fully enforcing sanctions on North Korea?
North Korea today threatened to take 'special actions' against the South. The rising rhetoric comes as US and South Korean forces devise ways to coordinate closely in the event of battle with the North.
But the failure, coming amid the build-up for the centennial of Kim Il-sung’s birth, does not appear to have changed North Korea’s policies. More missile tests are likely, say analysts.
The world is waiting to see if the launch will go forward.
Japan has threatened to shoot down the rocket if it passes over Japanese airspace. In 1998, North Korea sent a missile over Japan's main island.
Washington is likely to take the matter to the UN Security Council, analysts say, and could tighten its already tough sanctions.
President Obama's admonition against firing a long-range rocket next month went unheeded by North Korea, which argued it is for economic development. Will China and Russia have any sway?
On a trip to South Korea, President Obama visits the heavily-armed DMZ and warns the regime across the border not to test a long-range missile next month.
More than 50 world leaders, including President Obama, are set to arrive in Seoul to discuss prevention of nuclear terrorism, but Pyongyang's plans for a new missile test have shifted the discussion.