Former South Korean President Yoon Suk Yeol sentenced to life imprisonment: Who is he and why was he jailed?

Former South Korean President Yoon Suk Yeol has been sentenced to life imprisonment for masterminding an insurrection by attempting to impose martial law in December 2024. The court found him guilty of conspiring with the then-defense minister to deploy troops to the National Assembly, aiming to undermine the constitutional order.