South Korea's presidential candidates faced off in their first TV debate on Sunday evening, ahead of a snap election on June 3 to choose a successor to former President Yoon Suk Yeol who was impeached over his short-lived martial law declaration in December.

South Korea's presidential candidates will face off in their first TV debate on Sunday evening ahead of a snap election on June 3 to choose a successor to former President Yoon Suk Yeol, who was impeached over his short-lived martial law declaration in December.

South Korea's ex-president Yoon Suk Yeol left his conservative party on Saturday as it gears up for snap elections triggered by his impeachment over a bid to impose martial law.