NANNING -- China and Vietnam have launched a weeklong border defense friendship exchange across designated areas and ports in China's Guangxi Zhuang autonomous region and Vietnam's Lang Son province.

In February, Chinese warships held live-fire drills in waters near Vietnam in the Gulf of Tonkin, known as the Beibu Gulf in China, after Hanoi published a map defining its territorial claims there.

HANOI, April 14 (Reuters) - China's President Xi Jinping called on Monday for stronger ties with Vietnam on trade and supply chains amid disruptions caused by U.S. tariffs, as he attended the ...