In a speech at South Korea's Yonsei University, Lam urged South Korean companies to keep investing in Vietnam and warned of the risk of fragmenting supply chains. "Vietnam welcomes South Korean enterprises to expand their investments in the country, emphasising substantive cooperation in technology," Lam said.

Korea and Vietnam signed 10 memorandums of understanding (MOUs) covering cooperation in areas including science and technology, renewable energy and supply chains at a bilateral summit.

President Lee Jae Myung held a summit with Vietnam's top leader To Lam on Monday and agreed to deepen cooperation across the economy, security, technology and culture with the major trading partner. The summit between Lee and Lam,