South Korea is holding an early presidential election on June 3 after conservative President Yoon Suk Yeol was ousted over his imposition of martial law. Han had been appointed prime minister, the No. 2 post, by Yoon, and he served as acting leader after Yoon was suspended and later removed from office.

South Korea has sworn in its third acting president in less than six months, as his predecessor declared his candidacy in a snap election to replace impeached ex-leader Yoon Suk-yeol.

Former South Korean Prime Minister Han Duck-soo declared his bid for President on Friday, vowing to cut short his term to three years in order to amend the Constitution and use his economic