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China has deployed its coast guard through the waters of the Diaoyu islands and military drones near remote Japanese territory as China escalates tensions following the Japan's leader's remarks regarding Taiwan.

Patrol Operations

On Sunday, the China's maritime patrol stated that its vessels conducted a “rights enforcement patrol” through the territorial seas of the Senkaku, which are administered by Tokyo but also claimed by Beijing.

“China coast guard vessel 1307 formation conducted patrols within the maritime jurisdiction of the Diaoyu islands. This was a legitimate rights enforcement activity conducted by the China coast guard to protect its sovereign claims,” officials declared.

Diplomatic Spat

Beijing and Tokyo have consistently clashed around the islands but the latest activity occur during an escalating political dispute after the Japan's leader, Sanae Takaichi, addressed lawmakers that if Beijing assaults democratically ruled Taiwan it might provoke a military response from Japan.

That sparked an angry response from Beijing, which has indicated it demands a retraction from Takaichi.

Taiwan's Position

Beijing asserts the island as its own territory and plans to incorporate it under what it terms “reunification”. It has not ruled out the military option. Taiwan’s government and citizens overwhelmingly reject the prospect of Chinese rule – preferring to maintain the status quo without explicitly declaring themselves independent, but pledging to protect their sovereignty if required.

An attack or invasion by Beijing would threaten to spiral into a international confrontation, possibly drawing in the United States and other allies including Tokyo, which has territory just 68 miles from the island.

Defense Operations

In Taiwan, the military authorities reported this weekend that it had observed three dozen PLA planes, seven navy ships and one government vessel, which was likely the coast guard, active near the island over the previous day.

Official charts released showed up to three drones operating near Taiwan and the Japan's territory off its northeastern shoreline, appearing to go unusually near to the nearby Japanese island. PLA movements there are occasional, but infrequent, and Chinese military activity in the island's ADIZ generally has been minimal in the past month.

Earlier this weekend, the ministry said China had been conducting another “joint combat patrol” to “test our defensive capabilities”. It noted the island had dispatched military assets to monitor the situation. The island documents these operations a couple of times a month as part of what Taipei says is an ongoing military pressure campaign.

Political Strain

Tokyo has been experiencing increased strain from Beijing since the Japanese official made her comments, with Beijing's diplomatic representative in the Japanese city prompting a formal protest from Tokyo by commenting that “those who interfere will face consequences”.

China then summoned the Japanese ambassador for the first occasion since 2023, and Beijing's military authorities declared that any Tokyo's involvement would be doomed to fail.

Travel and Education Advisory

Late last week, Beijing cautioned its citizens against travelling to Japan, leading Japan to request China to take “suitable actions”, though it provided no details.

Multiple carriers from China said on Saturday that tickets to Japan could be refunded or changed for free.

Adding to the tensions, China’s government on Sunday urged its citizens to “carefully reconsider” studying in Japan, citing what it described as an volatile safety situation.

While the advice does not amount to a ban, a significant decrease in the population of learners from China could have a negative impact on academic institutions in Japan. A historic high of over 336,000 international students were studying in Japan last year, according to official data. They included more than 123,000 Chinese students – by far the single biggest group.

Media Response

Earlier this weekend, a official press commentary accused Takaichi of staging a diplomatic maneuver that was “both reckless and fundamentally flawed”.

“A clash between Tokyo and Beijing would not be a limited skirmish; it would likely draw in other nations, including the United States, and could quickly spiral into a major confrontation with severe repercussions.”

Policy Standpoints

The administration in Taipei says the island's residents alone determine their destiny. Officials in Tokyo have traditionally refrained from discussing the island openly when addressing potential conflicts, maintaining a “strategic ambiguity” also favoured by Japan's primary defense partner, the United States.

However, China’s ruling Communist party says the unification of Taiwan with the People’s Republic of China is “inevitable”, 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 Taiwan.