South Korea's Joint Chiefs of Staff said five Chinese military aircraft were detected entering its air defence identification zone
from southwest of Ieo Island - known as Suyan Islet in China - about 10am on Monday and leaving at 2pm.
The issue, of course, was not climate change but Beijing's declaration last month of a new air defence identification zone
that requires aircraft flying through the area to identify themselves and to file a flight plan.
China's narrow corridor has become a concern for pilots after it constituted the Air Defence Identification Zone
, which covers most of the East China Sea.
TOKYO (TAP) - The US remains "deeply concerned" about China's new air defence identification zone
(ADIZ), Vice-President Joe Biden said as he began a tour of East Asia.
Japan's two major airlines had previously said they had been submitting flight plans to Chinese authorities for any plane that was due to pass through the area, a key demand Beijing set out on Saturday when it said it had established an Air Defence Identification Zone
Dangerous consequences The US requires approaching foreign aircraft to follow its air defence identification zone
procedures only if they intend to enter US national airspace.
The projectile reached Japan's air defence identification zone
(ADIZ) for the first time, Chief Cabinet Secretary Yoshihide Suga told a briefing, referring to an area of control designated by countries to help maintain air security.
Beijing raised regional tensions in November by declaring an air defence identification zone
covering the area, which overlaps a similar Japanese zone.
Thailand has largely been unaffected by the fallout following China's declaration of an Air Defence Identification Zone
I'm afraid not only Japan but the international society as a whole has a concern that China is unilaterally threatening the existing international order" with its new restrictions in the South China Sea and the creation of an air defence identification zone
, Japanese defense minister Onodera said.
The move came just a few months after China's recent establishment of an Air Defence Identification Zone
(ADIZ) in disputed East China Sea islands claimed, drawing international criticism.
South Korea has included islands such as Marado and Hongdo as well as the Suyan Rock to its air defence identification zone