Xi had three meetings with North Korean leader Kim Jong Un, playing a constructive role in persuading Kim to return to dialogue. Kim also held historic meetings with Trump and South Korean President Moon Jae-in on peace and denuclearization of the Korean Peninsula in the border village of Panmunjom. A joint Panmunjom Declaration was issued after the Kim-Moon meeting, confirming their common goal of complete denuclearization of the peninsula.
Ukraine declared martial law for 30 days along the border with Russia and in Black Sea coastal areas from November 28. Russia accused it of playing with fire and Ukrainian vessels of violating the Russian border despite warnings from Russian ships.