Chinese President Xi Jinping warned President Biden not to cross four “red lines” regarding Taiwan and the communist system as the outgoing president called for continued communications.

Xi Jinping lays out four red lines US must not challenge in meeting with Joe Biden - Chinese president spells out Beijing’s line on Taiwan, South China Sea, human rights, and likely trade war

Chinese President Xi Jinping said Beijing is ready to work with the new U.S. administration to maintain communication and manage differences, but warned that Washington should not challenge China's "four red lines.