Kim Jong Un has overseen tests of two air defense missiles, highlighting the superior capability of North Korea's new systems.

North Korean leader Kim Jong Un has witnessed the launch of two air defense missiles, KCNA news agency reports. The tests underline the superior combat capability of the new anti-missile systems, which were not given specific details but are said to use unique technology. The launches came amid growing tensions with South Korea, which recently fired warning shots at North Korean soldiers.