Yoon Suk Yeol, South Korea’s since-impeached president, had been planning for months to impose martial law and target political opponents, according to accounts.

South Korean prosecutors indicted former Defence Minister Kim Yong-hyun on Friday for insurrection, stemming from his alleged involvement in a failed emergency martial law attempt earlier this month,

The lawyers for a former South Korean defence minister under investigation on insurrection charges said on Thursday a short-lived martial law decree imposed earlier this month was to raise alarm on opposition parties' abuse of the democratic process.