Japan has scrambled jets to monitor Russian and Chinese air forces conducting joint patrols around the country, the Japanese defense ministry said late Tuesday, amid rising tensions between Tokyo and Beijing.

The Russian and Chinese military maneuvers near Japan came amid tensions between the Moscow-Beijing quasi-alliance and Tokyo.

As relations with China continue to deteriorate, Japan is embarking on its biggest military buildup in at least four decades.

Russian and Chinese bombers conducted a joint patrol Tuesday, flying over the East China Sea and Western Pacific, prompting Seoul and Tokyo to scramble fighter aircraft to monitor the flights. At approximately 10:00 a.

A Wall Street Journal analysis of more than 100 satellite images shows clear evidence of the country’s expanding air power and reach.

By Mike Scarcella WASHINGTON, Dec 8 (Reuters) - China's top flash memory chipmaker Yangtze Memory Technologies Co (YMTC) has sued the U.S. Defense Department, challenging a decision to include the technology company on a list of entities allegedly working with Beijing’s military.

China has expanded reefs into military outposts to tighten its control over the South China Sea.

South Korea deployed military aircraft after seven Russian warplanes and two Chinese aircraft entered an air identification zone maintained by Seoul, escalating tensions in a region already strained by an ongoing diplomatic rift between Beijing and Tokyo.

AMSTERDAM, Dec 9 (Reuters) - Customers of chip equipment maker ASML include at least one firm with links to the Chinese military, Dutch television program Nieuwsuur reported on Tuesday. The company said in a response that it could not confirm the report,

Manila says Chinese forces on Beijing-occupied Subi Reef fired flares toward a patrol plane conducting a "lawful overflight."