Four months after his release, South Korea’s disgraced former President Yoon Suk Yeol has been sent back to a detention center after a Seoul court issued a warrant for his arrest.

Former South Korean President Yoon Suk Yeol was back in a solitary jail cell on Thursday with basic food and a khaki prison uniform after prosecutors secured a new detention warrant over his bid to impose martial law last year.

South Korea’s special counsel team raided the military’s drone operations command Monday as part of its investigation into former President Yoon Suk Yeol over a