South Korea's impeached President Yoon Suk Yeol had his mug shot taken and underwent a physical check before spending his first night in jail as a criminal suspect, a prison officer said Monday.

A court in Seoul has extended the detention of impeached President Yoon Suk Yeol, citing concerns that he may destroy evidence linked to his failed attempt to impose martial law last month. The court issued a warrant on Sunday allowing investigators to hold Yoon for an additional 20 days,

South Korean court orders formal arrest of impeached President Yoon Suk Yeol over his short-lived martial law decree.