Trump announces $350 billion South Korea tariff deal and $600 billion investment package. Seoul gets approval for nuclear-powered submarines in strengthened alliance.

By Jihoon Lee GYEONGJU, South Korea (Reuters) -South Korea aims to deepen cooperation with the United States, stabilise supply chains with China, and diversify its trading partners to navigate global challenges,

President Trump said Wednesday he's allowing South Korea to build a nuclear-powered submarine in Philadelphia.

North Korea has held a reception in Beijing to mark the 75th anniversary of Chinese soldiers' participation in the 1950-53 Korean War, vowing to develop its friendly ties with China, state media reported Tuesday.

The United States and China are not going to resolve all the issues that divide them before presidents Donald Trump and Xi Jinping meet Thursday in Busan, South Korea

China has called on its neighbours Japan, South Korea, and ASEAN countries to make greater efforts in science and technology, including carrying out joint scientific and technological research, according to the official Xinhua.