Afghanistan, Aug. 24 -- North Korea tested two new air defense missiles amid heightened border tensions, accusing South Korea of provocations, as U.S.-South Korea joint drills further strain regional stability.

North Korea has conducted tests of two new air defense missiles under the direct supervision of leader Kim Jong-un, state media reported. The move came just after Pyongyang accused South Korea of creating tensions along the border.

According to the Korean Central News Agency (KCNA), the missiles are upgraded systems with "superior combat capabilities." While no technical details or launch site were revealed, officials claimed the weapons use "unique and specialized technology" designed to destroy various airborne targets.

The repo...