Lawyers for impeached South Korean President Yoon Suk Yeol failed in their court effort to secure his release on Thursday, a day after he was detained at his residence for questioning over rebellion allegations linked to his martial law declaration last month.

Yoon was brought into custody about three hours after hundreds of law enforcement officers entered the residential compound in their second attempt to detain him.

Lawyers representing South Korea’s impeached president say he will refuse further questioning after being detained by anti-corruption officials over his ill-fated declaration of martial law last month,