S. Korea, DPRK to march under united flag at East Asian Judo Championship
CGTN
["china"]
South Korea and the DPRK said that they will form a joint team to compete in the upcoming East Asian Judo Championship in Mongolia and will march under a united flag during the opening ceremony, the organizing committee of the championship announced here on Wednesday.
This is the first time for South Korea and the DPRK to march under a united flag in a summer sports competition. 
South Korean Judo team training during 2016 Rio Summer Olympic /VCG Photo

South Korean Judo team training during 2016 Rio Summer Olympic /VCG Photo

The championship will take place between June 8-10 in Mongolia's capital of Ulan Bator. 
Over 200 athletes and officials from eight countries and regions, namely Mongolia, South Korea, the DPRK, Japan, China, Chinese Taipei, Hong Kong, China, and Macao, China will participate in the 11th edition of the tournament.  
Source(s): Xinhua News Agency