CNN's Tom Foreman takes a closer look at what we know about North Korea's nuclear capabilities. http://cnn.it/2vLIDe1 | CNN International

North Korean drone operators are helping direct Russian army strikes. Operating from Russia’s Kursk region, these units conduct reconnaissance with UAVs, locate Ukrainian positions, and assist in targeting strikes on Ukrainian forces in the Sumy region. Ukraine’s Defense Forces have intercepted communications between the North Korean drone operators and Russian military personnel. | Kyiv Post