A South Korean naval ship fired warning shots on Tuesday after a North Korean patrol boat crossed a disputed sea border off the peninsula`s west coast and fired shots back before retreating, a South Korean defence official said.
Japan said on Wednesday that Tokyo would "strongly protest" to Russia over military exercises on disputed Pacific islands that have strained relations between the two nations since the end of World War Two.
China today summoned USA and Japanese ambassadors here separately and lodged protest over a joint statement issued during US President`s visit to Tokyo that asserted their bilateral security treaty was applicable to the disputed islands.
China on Saturday defended its establishment of an air defence zone over islands diputed with Japan following Japanese Prime Minister Shinzo Abe remarks that Beijing was forcibly changing the status quo in the East China Sea.
The United States is advising all US airlines to take steps to stay safe amid fresh tensions in the East China Sea as they seek clarification about Beijing`s newly-declared air zone over disputed islands.
Japan is considering expanding its air defence identification zone in the Pacific Ocean, a report said today, as Tokyo and Beijing lock horns over Chinese claims to control airspace above the East China Sea.
China on Saturday established an air defence zone over disputed islands claimed by Japan, sparking fresh tensions though Beijing maintained that the move would not affect international flights over the region.
Japan lodged a protest on Friday after South Korea`s military and coast guard conducted an "unacceptable" defence drill on disputed islands, the latest flare-up in tension between the two Asian neighbours.