SEOUL (Reuters) - South Korea's Supreme Court will make a ruling on Thursday after an appeal by prosecutors against a court decision to clear the former leader of the opposition Democratic Party Lee Jae-myung of violating the election law, the Yonhap news agency reported.

South Korea’s main liberal opposition party has tapped its former leader Lee Jae-myung as presidential candidate in the June 3 vote.

South Korea's main opposition Democratic Party of Korea on Sunday named Lee Jae-myung, the party's ex-leader, as its candidate for the snap presidential election slated for June 3. Lee has been leading opinion polls for weeks with a double-digit gap over contestants from the conservative People Power Party,