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Beijing has sent its maritime law enforcement through the maritime area of the Senkaku islands and unmanned aerial vehicles near remote Japan's territory as China escalates tensions over the Japanese prime minister’s remarks regarding Taiwan.

Rights Enforcement Activities

On Sunday, the China's maritime patrol stated that its vessels carried out a “rights enforcement patrol” through the territorial seas of the Senkaku, which are under the control of Japan but also asserted as territory by Beijing.

“China coast guard vessel 1307 formation conducted patrols within the territorial waters of the Diaoyu islands. This was a legitimate rights enforcement activity undertaken by the Chinese maritime authorities to uphold its rights and interests,” officials declared.

Bilateral Tensions

China and Japan have consistently clashed around the islands but the latest activity come amid an escalating political dispute after the Japanese prime minister, the Japanese official, told parliament that if China attack the self-governing island of Taiwan it might provoke a armed reaction from Japan.

That provoked a furious reaction from Beijing, which has signalled it expects a retraction from Takaichi.

Island's Stance

China claims the island as its sovereign land and plans to incorporate it under what it terms “reunification”. It has not ruled out the use of force. Taiwan’s government and people categorically refuse the prospect of Chinese rule – preferring to maintain the status quo without formally announcing independence, but pledging to protect their sovereignty if necessary.

An military assault by China would risk escalating into a regional or global conflict, potentially involving the US and other allies including Tokyo, which has land just 110km (68 miles) from Taiwan.

Defense Operations

On the island, the military authorities said on Sunday morning that it had detected 30 Chinese military aircraft, seven navy ships and one government vessel, which was likely the coast guard, operating around the island over the previous day.

Official charts released showed up to multiple UAVs flying between Taiwan and the Japanese islands off its northeastern shoreline, appearing to go particularly close to Yonaguni. PLA movements there are not rare, but infrequent, and Chinese military activity in Taiwan’s air defence identification zone generally has been minimal in recent weeks.

Late on Saturday, the ministry said China had been carrying out another “combined military exercise” to “test our defensive capabilities”. It noted the island had sent its own aircraft and ships to monitor the situation. Taiwan reports such Chinese patrols a few times monthly as part of what the Taiwanese government says is an continuous strategic pressure.

Diplomatic Pressure

Japan has been experiencing increased strain from Beijing since Takaichi made her comments, with Beijing's diplomatic representative in the Japanese city prompting a formal protest from Japan by commenting that “the dirty head that sticks itself out must be cut off”.

Beijing then summoned the Japanese ambassador for the first occasion since 2023, and China’s defence ministry declared that any Japanese intervention would be certain to collapse.

Travel and Education Advisory

Late last week, Beijing advised its people to avoid visiting Japan, prompting Tokyo to urge Beijing to take “suitable actions”, though it did not elaborate.

Multiple carriers from China announced this weekend that flights to Tokyo could be refunded or changed for free.

Adding to the tensions, China’s government on the weekend advised students to rethink education plans in Japan, citing what it characterized as an volatile safety situation.

While the advice does not amount to a ban, a dramatic reduction in the number of Chinese students could have a negative impact on Japanese universities. A record 336,708 foreign nationals were studying in Japan last year, according to official data. They featured over 123,000 learners from China – by far the largest demographic.

Official Commentary

Earlier this weekend, a official press commentary accused Takaichi of staging a political stunt that was “not just dangerously provocative but fundamentally perverse”.

“A clash between Tokyo and Beijing would not be a limited skirmish; it would probably involve other nations, including the US, and could quickly spiral into a large-scale conflict with unimaginable consequences.”

Policy Standpoints

The administration in Taipei says the island's residents alone determine their destiny. Japanese leaders have previously avoided publicly mentioning Taiwan when addressing potential conflicts, maintaining a “deliberate vagueness” also preferred by Tokyo’s main security ally, the United States.

However, China’s ruling Communist party says the incorporation of the island with the People’s Republic of China is “unavoidable”, and casts any opposition to it as escalatory. As it advances toward potential armed takeover, Beijing has also been escalating its non-military activity and its statements towards the island.