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 ex-President Yoon Suk Yeol again refused to attend questioning by investigators Friday, using a new method to resist: He took off his prison uniform and lay down on the floor at his detention room.

SEOUL, Aug 1 (Reuters) - South Korea's ousted President Yoon Suk Yeol, who is in detention while on trial and facing various criminal probes, lay on the floor of his cell on Friday and refused to leave it for questioning, a spokesperson for a special prosecutor said.