The Japan Coast Guard could directly fire a weapon against foreign official vessels aiming to land on the Diaoyu Islands in the East China Sea, local media reported citing ruling party members on Thursday.
Japanese government officials told a panel of the Liberal Democratic Party they have confirmed their interpretation of existing laws, Kyodo News reported.
This comes weeks after China implemented a new law that allows the coastguard to use weapons against foreign ships that Beijing sees as illegally entering its waters.
Japenese officials had said earlier Japan's coastguard is only allowed to fire weapons directly at foreign vessels in cases of self-defence and emergency escape.
The officials explained the confirmed interpretation at a meeting of the panel, saying it is possible for Japan's coastguard to fire on foreign official vessels under laws by regarding vessels aiming to land on the islands - known in Japan as the Senkaku Islands - as committing violent crimes.
The islands in question have long been an object of territorial disputes between China and Japan.
Recently, Japan lodged a protest with China after two Chinese ships intruded into Japanese coastal waters near the disputed Senkaku Islands in the East China Sea, local media reported.
According to the Kyodo news outlet, the protest was conveyed to China's embassy in Tokyo by the head of the Japanese Foreign Ministry's Director-General for Asian and Ocean Affairs, Takehiro Funakoshi.
The news agency added, citing Japan's security service, that, before the incident occurred, four Chinese ships had been drifting near the Japanese coastal waters.
Later, two vessels approached the disputed islands, with one of the ships carrying a gun.
In mid-October, China's vessels entered Japan's territorial waters and left them only 57 hours later, marking a new record of the length of stay in the area. The previous record was hit in July, when Chinese ships drifted in Japan's territorial sea for 39 hours.
Japan's Prime Minister Yoshihide Suga on Saturday expressed concern about China's unilateral attempts to change the status quo in the East and South China seas in G7 talks, reported NHK World.
He said Japan will say what needs to be said, and demand action from Beijing.
In the early 2010s, China and Japan were mired in a territorial row over the Senkakus. Beijing has rapidly built up artificial islands with military infrastructure in the region, in its claim of sovereignty over almost the entire maritime region.
Moreover, China has conflicting territorial claims with four of the 10 members of the Association of Southeast Asian Nations -- Brunei, Malaysia, the Philippines, and Vietnam -- as well as Taiwan in the South China Sea.
Meanwhile, US warships carried out freedom of navigation operations in an apparent bid to challenge Chinese claims and actions in the area.
( With inputs from ANI )
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