Missiles are seen as North Korean leader Kim Jong Un visits a drill of long-range artillery sub-units of the Korean People’s Army, in North Korea in this image released by North Korea’s Korean Central News Agency (KCNA) on March 2, 2020.?KCNA?via REUTERS ATTENTION EDITORS – THIS IMAGE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THIS IMAGE. NO THIRD PARTY SALES. SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA.