According to a map the Taiwan ministry of defense provided, the Chinese aircraft, including 22 fighter jets, flew in an area to the northeast of the Pratas Islands that is part of Taiwan's air defense identification zone (ADIZ).

Iran Press/Asia: The latest incident included 22 fighters, as well as electronic warfare, early warning, and antisubmarine aircraft, Taiwan's defense ministry said.

The incident on Monday marked the biggest incursion since January. But the planes did not cross over into Taiwan's airspace itself, which would have been regarded as an act of hostility.

It came days after US President Joe Biden warned China against invading Taiwan, and on the same day, a US official visited the island to discuss security with leaders.

China has ratcheted up the frequency of its air missions in recent months, claiming they are training drills. Such moves have angered Taiwan and increased tensions in the region.

China sees Taiwan as a breakaway province, which it can take by force if necessary.

Taiwan has been reporting for more than a year that Chinese aircraft have been flying into its ADIZ, calling it "grey zone" warfare aimed at testing their military response and wearing them out.

Analysts have previously said the incursions were a warning against Taiwan's government from moving towards a formal declaration of independence.

Beijing has said in the past that the exercises were geared to protect its sovereignty.

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