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China has deployed its coast guard into the maritime area of the Senkaku islands and unmanned aerial vehicles past outlying Japanese territory as Beijing escalates strains over the Japanese prime minister’s remarks regarding Taiwan.

Patrol Operations

This past Sunday, the Chinese coast guard announced that its ships carried out a “rights enforcement patrol” through the waters of the Senkaku, which are administered by Tokyo but also claimed by China.

“Chinese maritime patrol unit 1307 conducted patrols within the maritime jurisdiction of the Senkaku islands. This was a legitimate rights enforcement activity undertaken by the Chinese maritime authorities to uphold its rights and interests,” the statement said.

Bilateral Tensions

China and Japan have repeatedly faced off around the disputed territory but the recent developments come amid an escalating political dispute after the Japanese prime minister, Sanae Takaichi, told parliament that if Beijing assaults the self-governing island of Taiwan it could trigger a military response from Japan.

That sparked an angry response from China, which has signalled it expects a withdrawal from Takaichi.

Island's Stance

Beijing asserts the island as its sovereign land and intends to annex it under what it describes as “unification”. It has left open the military option. Taiwan’s government and people overwhelmingly reject the prospect of Chinese rule – preferring to maintain the current situation without explicitly declaring themselves independent, but vowing to defend themselves if required.

An attack or invasion by Beijing would threaten to spiral into a international confrontation, possibly drawing in the US and other partner nations including Japan, which has territory just 68 miles from the island.

Defense Operations

On the island, the military authorities reported this weekend that it had detected three dozen PLA planes, multiple naval vessels and one government vessel, which was probably the maritime patrol, active near the territory over the past 24 hours.

Maps provided by the ministry showed up to three drones operating near the island and the Japan's territory off its northeastern shoreline, appearing to go unusually near to Yonaguni. PLA movements there are not rare, but uncommon, and Beijing's defense operations in Taiwan’s air defence identification zone generally has been minimal in the past month.

Earlier this weekend, the ministry said China had been carrying out another “joint combat patrol” to “harass the airspace and sea around us”. It added Taiwan had sent its own aircraft and ships to monitor the situation. Taiwan documents these operations a few times monthly as part of what the Taiwanese government says is an continuous strategic pressure.

Diplomatic Pressure

Tokyo has been facing mounting pressure from Beijing since the Japanese official made her comments, with Beijing's diplomatic representative in the Japanese city triggering an official complaint from Tokyo by commenting that “the dirty head that sticks itself out must be cut off”.

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.

Warning for Citizens

Late last week, Beijing cautioned its citizens against travelling to Japan, prompting Tokyo to urge Beijing to take “appropriate measures”, though it did not elaborate.

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

In another escalation, Beijing's administration on Sunday advised students to rethink education plans in Japan, citing what it described as an volatile safety situation.

Although not an outright prohibition, a significant decrease in the number of Chinese students could have a detrimental effect on Japanese universities. A record 336,708 foreign nationals were enrolled in Japanese schools last year, according to official data. They featured over 123,000 learners from China – by far the largest demographic.

Media Response

Late on Saturday, 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 large-scale conflict with severe repercussions.”

Strategic Positions

The government of Taiwan says only its people can decide its future. Japanese leaders have traditionally refrained from discussing the island openly when addressing potential conflicts, maintaining a “deliberate vagueness” also preferred by Tokyo’s main security ally, the United States.

However, Beijing's governing party says the unification of Taiwan with the mainland China is “unavoidable”, and portrays dissent as provocative. As it advances toward potential armed takeover, Beijing has also been increasing its political operations and its rhetoric towards Taiwan.