Impeached South Korean President Yoon Suk Yeol was arrested and questioned for hours by investigators in relation to a criminal insurrection probe, ending a weeks-long standoff with authorities.

Investigators say Yoon Suk Yeol abused his power when he tried to impose martial law last month. He would become the first sitting South Korean president to be arrested.

Yoon became the first sitting South Korean president to be arrested. South Korean investigators probing Yoon for alleged insurrection asked a Seoul court on Friday to extend his detention after he refused to be questioned.