A Korean-American former college professor was arrested Friday in North Korea, making him the third U.S. citizen held by Pyongyang, Yonhap reported Sunday citing unnamed sources. The man, identified only by his surname, Kim, was arrested at Pyongyang International Airport while on his way out of the country, Yonhap said. Kim was said to be in his late 50s and a former professor at Yanbian University of Science and Technology in Jilin Province, China. Yonhap said Kim reportedly had been in North Korea for about a month to "discuss relief activities," and it was not known why …READ FULL ARTICLE