SEOUL, South Korea — South Korean authorities arrested impeached President Yoon Suk Yeol on Wednesday over insurrection accusations related to his Dec. 3 martial law declaration, investigators said.

Donald Trump on Monday confirmed that his eldest son will visit Greenland amid increased calls by the president-elect that the U.S. should control the autonomous territory owned by Denmark.

HONG KONG — China is sending Vice President Han Zheng to President-elect Donald Trump’s inauguration in Washington, Chinese state media reported Friday, the first time a senior Chinese leader ...