Washington, Nov. 27 -- A group of five US legislators have met with Taiwan President Tsai Ing-wen in a surprise one-day visit, defying warnings from China to "stay out of the contested island", according to reports.

The visit of the US delegation intended to reaffirm the United States' "rock-solid" support for the self-governing island at a time when its military tensions with China are at their worst in 40 years, media reports said.

"Thank you to Mark Takano, Elissa Slotkin, Colin Allred, Sara Jacobs and Nancy Mace. Your delegation's visit to Taiwan and your support strengthens my conviction that our democratic partnership will continue to be a key force for good in the region and world," Taiwan President Tsai Ing-wen tweeted.

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