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.

South Korea’s impeached president, Yoon Suk Yeol, was formally arrested early Sunday, days after being apprehended at his presidential compound in Seoul. He faces possible imprisonment over his ...

South Korea’s impeached president, Yoon Suk Yeol, was formally arrested early Sunday, days after being apprehended at his presidential compound in Seoul. He faces possible imprisonment over his ...