“The Taiwan issue is the first red line in Chinese-American relations that cannot be crossed,” TASS quotes him as saying.

The Chinese leader stressed that Beijing will not tolerate the connivance and support of separatist forces from the outside.

Xi Jinping expressed hope that Biden's statements that Washington does not support Taiwanese independence will be put into practice.

Previously, the Pentagon ordered four MQ-9B UAVs for Taiwan for $250 million.

Russian President Vladimir Putin said that attempts by countries unfriendly to China to stage provocations in Taiwan are doomed to failure.