U.S. House Speaker Nancy Pelosi, the highest-ranking US official to visit Kyiv since February, met President Zelenskyy. Meanwhile, NATO's Defender Europe and Swift Response exercises have started in nine European countries.

Where will all this heading? CGTN's Global Watch is joined by Rong Ying, vice-president of the China Institute of International Studies. Rong said, it is a dangerous move that the U.S. and NATO have taken, since it will lead to escalation of the situation and miscalculation between the two sides.