SEOUL: North Korean leader Kim Jong Un oversaw Sunday's ballistic missile test launches as part of efforts to evaluate the performance of warheads carrying cluster bombs and fragmentation mines, state media KCNA reported on Monday (Apr 20). The tests represented the fourth ballistic missile launch this month and the seventh this year, as North Korea seeks to build its missile and nuclear capabilities in defiance of UN Security ⁠Council resolutions. The tests involved five launches of upgraded