The fishermen’s boats had drifted into South Korean waters, officials said. The South’s new president has been trying to improve ties with North Korea.

South Korea, Japan and the United States conducted a joint air drill on Friday involving a U.S. B-52 strategic bomber and fighter jets of the two U.S. allies over international waters, Yonhap news reported,

A North Korean defector is filing civil and criminal charges against the country's leader Kim Jong Un for abuses she faced while detained in the country. Choi Min-kyung fled the North to China in 1997 but was forcibly repatriated in 2008. She said she was sexually abused and tortured after her return.

The federal government has sanctioned alleged North Korean hacker Song Kum Hyok for illegal activities related to his participation in the Andariel hacking group. Song has participated in malicious cyber activities,