In a further escalation of regional tensions, Japan announced that it scrambled fighter jets on Monday after a Chinese military aircraft "violated" its airspace. The Y-9 surveillance aircraft entered Japanese airspace near the Danjo Islands in Nagasaki Prefecture at 11:29 am local time, marking the first such incursion by a Chinese military plane, according to local reports.
Japan's defence ministry stated that "fighter jets were deployed on an emergency basis" and warnings were issued to the aircraft. Although no weapons were used, the ministry released a photograph of the plane.
Deputy Foreign Minister Masataka Okano summoned China's acting ambassador to "lodge firm protest" and demand measures to prevent future incidents. The Chinese diplomat responded that the matter would be reported to Beijing, but there has been no official comment from Beijing yet.
Beefed up
China's growing economic and military clout in the Asia-Pacific region and its assertiveness in territorial disputes -- in particular Taiwan -- has alarmed the United States and its allies.
Japan, staunchly pacifist for decades, has ramped up defence spending with US encouragement, moving to acquire "counter-strike" capabilities and easing rules on arms exports.
Tokyo is also providing funding and equipment such as patrol vessels to countries across the region and agreed in July on a deal with the Philippines allowing troop deployments on each other's soil.
Japan and South Korea have also moved to bury the historical hatchet. Tokyo is also part of the Quad alliance with the United States, Australia and India, a grouping seen as a bulwark against Beijing.
Yee Kuang Heng, a professor at the University of Tokyo, said the Y-9 in Monday's incident "was likely probing Japan's air defence network, collecting electronic intel such as Japan's radar signals and coverage".
Tense incidents
Japanese and Chinese vessels have been involved in tense incidents in disputed areas, in particular the Senkaku islands in the East China Sea known by Beijing as the Diaoyus.
The remote chain has fuelled diplomatic tensions and been the scene of confrontations between Japanese coastguard vessels and Chinese fishing boats.
Tokyo has reported the presence of Chinese coastguard vessels, a naval ship and even a nuclear-powered submarine, in the area.
Two non-military aircraft from China -- a propeller-powered plane and a small drone -- were forayed into airspace near the Senkaku islands in 2012 and 2017, according to NHK.
Control measures
The Danjo Islands, the site of the latest incident, are a group of small islets also located in the East China Sea off Japan's southern Nagasaki region.
Beijing claims the South China Sea -- through which trillions of dollars of trade passes annually -- almost in its entirety despite an international court ruling that its assertion has no legal basis.
China said it took "control measures" on Monday against two Philippine Coast Guard ships that had entered waters near the disputed Sabina Shoal in the South China Sea.
Multiple confrontations have taken place in recent days around the shoal, located 140 kilometres (90 miles) west of the Philippine island of Palawan and about 1,200 kilometres from Hainan island, China's nearest major landmass.
Both sides have in recent months stationed coast guard vessels near Sabina, where the Philippines fears China is about to build an artificial island.
US National Security Advisor Jake Sullivan is due to visit Beijing for three days from Tuesday and will meet China's foreign minister Wang Yi in a bid to manage bilateral tensions ahead of US elections in November.
(Inputs From AFP)
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