Kim Yong-hyun, a former defence minister and close confidant to South Korean President Yoon Suk Yeol, became the first official to be arrested late on Tuesday over Yoon's martial law declaration. Kim attempted to take his own life while in detention,

Defence minister Kim Yong-hyun was formally arrested on charges that include "engaging in critical duties during an insurrection".

South Korea’s former Defence Minister Kim Yong-hyun, who is accused of playing a lead role in last week’s failed attempt to impose martial law, attempted suicide on Wednesday while in detention. Shin Yong-hae,