The wife of South Korea's ousted former President Yoon Suk Yeol has appeared for questioning by a special prosecutor, as investigators expanded a probe into suspicions of stock manipulation, bribery,

South Korea's jailed former president, Yoon Suk Yeol, again refuses to attend questioning by investigators, using a new method to resist — taking off his prison uniform and lying down on the floor at his detention room.

South Korea's impeached former president Yoon Suk Yeol lay on the floor of his prison cell wearing only an undershirt and boxer shorts to resist questioning, prosecutors said Friday, after a fresh attempt to bring him in for interrogation over election tampering allegations failed.