KEY POINTS
  • In a post showing the Taiwanese leader giving orders on the phone, President Tsai Ing-wen condemned the incursions as an "outright provocation of regional security and stability."
  • According to risk consultancy Stratfor, the incident on Sunday is "one of the most serious incursions by People's Liberation Army Air Force fighter jets on the Taiwanese side of the maritime border this century."
Tsai Ing-wen, Taiwan's president, looks on during a news conference at the Presidential Palace in Taipei, Taiwan, on Saturday, Jan. 5, 2019.

Taiwan's President Tsai Ing-wen has called for Chinese warplanes that cross a maritime line separating the two sides to be "forcefully expelled."

Her comments in a Facebook post on Monday came after two Chinese fighter jets crossed a maritime line separating mainland China from the self-ruled island of Taiwan on Sunday.