Former South Korean President Yoon Suk Yeol was sent back to jail after a court approved a warrant amid an investigation into his attempted imposition of martial law. This intensifies the special counsel's probe into broader allegations of justice obstruction and abuse of power against the ousted leader.

Yoon Suk Yeol came close to disabling Parliament with a few hundred troops. But he misjudged the power of his people and the willingness of his army to use force. South Koreans worry it could ...

Former South Korean president Yoon Suk-yeol returned to a solitary jail cell on Thursday after a court approved a warrant sought by prosecutors