China’s Fujian maritime safety administration launched a three-day special joint patrol and inspection operation in the central and northern parts of the Taiwan Strait that includes moves to board ships, it said on its WeChat account.

The move comes amid heightened tensions between China and Taiwan, with U.S. House Speaker Kevin McCarthy hosting Taiwanese President Tsai Ing-wen in California on Wednesday, becoming the most senior U.S. figure to meet a Taiwanese leader on U.S. soil in decades.

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