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China has deployed its coast guard through the maritime area of the Senkaku islands and military drones near remote Japan's territory as Beijing ramps up strains over the Japanese prime minister’s comments regarding the island of Taiwan.

Patrol Operations

On Sunday, the China's maritime patrol announced that its ships carried out a “rights enforcement patrol” through the waters of the Senkaku, which are under the control of Tokyo but also asserted as territory by China.

“Chinese maritime patrol unit 1307 performed surveillance within the maritime jurisdiction of the Senkaku islands. This was a legitimate rights enforcement activity conducted by the China coast guard to protect its sovereign claims,” officials declared.

Diplomatic Spat

China and Japan have consistently clashed around the islands but the recent developments come amid an intensifying diplomatic spat after the Japanese prime minister, Sanae Takaichi, addressed lawmakers that if China attack democratically ruled Taiwan it might provoke a military response from Tokyo.

That sparked an angry response from Beijing, which has signalled it expects a withdrawal from the Japanese official.

Taiwan's Position

China claims the island as its own territory and plans to incorporate it under what it describes as “reunification”. It has not ruled out the military option. The island's administration and citizens overwhelmingly reject the idea of Beijing's control – choosing to preserve the current situation without formally announcing independence, but vowing to defend themselves if necessary.

An military assault by China would threaten to spiral into a regional or global conflict, potentially involving the US and other partner nations including Tokyo, which has territory just 68 miles from the island.

Military Activity

In Taiwan, the defence ministry reported this weekend that it had observed 30 Chinese military aircraft, seven navy ships and one government vessel, which was probably the maritime patrol, operating around the territory over the past 24 hours.

Maps provided by the ministry showed up to multiple UAVs flying between Taiwan and the Japan's territory off its north-east coast, seeming to travel unusually near to the nearby Japanese island. PLA movements there are occasional, but infrequent, and Beijing's defense operations in Taiwan’s air defence identification zone generally has been low in the past month.

Late on Saturday, the defense officials said Beijing had been carrying out another “joint combat patrol” to “test our defensive capabilities”. It noted the island had dispatched military assets to track the developments. The island documents these operations a couple of times a month as part of what Taipei says is an continuous strategic pressure.

Political Strain

Japan has been experiencing increased strain from China 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 Beijing's military authorities declared that any Japanese intervention would be doomed to fail.

Warning for Citizens

Late last week, China 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 urged its citizens to “carefully reconsider” studying in Japan, citing what it described as an unstable security environment.

While the advice does not amount to a ban, a dramatic reduction in the population of learners from China could have a negative impact on Japanese universities. A record 336,708 foreign nationals were enrolled in Japanese schools last year, according to official data. They included more than 123,000 Chinese students – by far the single biggest group.

Official Commentary

Earlier this weekend, a Chinese state media editorial charged the Japanese official with performing a diplomatic maneuver that was “not just dangerously provocative but fundamentally perverse”.

“A clash between Tokyo and Beijing would not be a small-scale encounter; it would likely draw in other nations, including the US, and could rapidly escalate to a major confrontation with severe repercussions.”

Policy Standpoints

The administration in Taipei says only its people can decide its future. Officials in Tokyo have traditionally refrained from publicly mentioning Taiwan when discussing such scenarios, maintaining a “strategic ambiguity” also preferred 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 moves towards being capable of military annexation, China has also been escalating its non-military activity and its rhetoric towards the island.