SEOUL, March 14 -- South Korean actor Kim Soo-hyun will reportedly address allegations that he was in a romantic relationship with the late actress Kim Sae-ron when she was underage.

"He'll unveil his position next week, based on clear grounds, in order to correct the facts and respond to groundless rumours," his agency, Gold Medalist, was quoted saying by Korean state news agency Yonhap.

The agency did not specify how, when, or where he would make the statement but apologised for the public fatigue caused by the prolonged scandal.

The controversy began on Monday when the YouTube channel Hoverlab cited a telephone interview with Sae-ron's family, claiming the two had been in a relationship for six years, starting when she was 15.

Sae-...