Former South Korean President Yoon Suk Yeol returned to a solitary jail cell on Thursday after a court approved a warrant sought by prosecutors investigating his attempt to impose martial law last year.

Former President Yoon Suk Yeol, already ​accused of insurrection, faced additional ​criminal charges after a special counsel expanded the investigation into his ill-fated declaration of martial law.

SEOUL, South Korea (AP) — A South Korean court early Thursday approved the new arrest of former President Yoon Suk Yeol on charges related to his brief imposition of martial law in December, accepting a special prosecutor’s claim that he poses a risk of destroying evidence.