Olympic atheles from North and South Korea

Bronze medalist Choi Byungchul of South Korea, waves to the crowd during the medals ceremony after the men's individual foil fencing competition at the 2012 Summer Olympics, July 31, 2012, in London.

South Korea's Jo Hyo-bi, center is tackled by Norway's Karoline Dyhre Breivang, left, and Lynn-Kristin Koren, right, during their women's handball preliminary match at the 2012 Summer Olympics, Aug. 1, 2012, in London.

South Korea's Ryu Eun-hee, center, shoots the ball, between Norway's Goril Snorroeggen, right, and Lynn-Kristin Koren, left, during their women's handball preliminary match at the 2012 Summer Olympics, Aug. 1, 2012.

Kim Kum Sok of North Korea competes during the men's 69-kg weightlifting competition at the 2012 Summer Olympics, July 31, 2012.

A North Korea supporter waves a flag before the team's group G women's soccer match against the United States at the London 2012 Summer Olympics, July 31, 2012 at Old Trafford Stadium in Manchester, England.

Masashi Nishiyama of Japan, left, and Song Dae-Nam of South Korea, react after their men's 90-kg judo match at the 2012 Summer Olympics, Aug. 1, 2012.

South Korea's Oh Jin-hyek shoots during an elimination round of the individual archery competition at the 2012 Summer Olympics, Aug. 1, 2012, in London.

South Korea's Chung Jae-sung, right, and Lee Yong-dae play against Malaysia's Koo Kien Keat, unseen, and Tan Boon Heong, at a men's doubles badminton match of the 2012 Summer Olympics, July 31, 2012.