A Chinese frigate and an unidentified submarine both entered waters claimed by Japan in recent days, according to Tokyo’s defense ministry.
The incursions took place in waters near the Senkaku/Diaoyu Islands in the East China Sea, islands that are claimed and administered by Japan.
Japan did not immediately clarify if the Chinese frigate, which was a Type 054A Jiangkai-II-class frigate, belonged to the People’s Liberation Army-Navy (PLAN) or the China Coast Guard, which also uses the Type 054A.
“This behavior unilaterally raises tensions, and we are seriously concerned about it,” Defense Minister Itsunori Onodera told the press. Japan’s Chief Cabinet Secretary Yoshihide Suga warned China “not to undermine the trend of improvement in Japan-China relations.”
The most recent incursion came within days after four Chinese Coast Guard vessels entered the same waters. [source]
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