The explosion at the South Korean airbase was caused by a failed missile, according to reports

On Wednesday, during a live-fire rehearsal with the United States in response to North Korea's successful launch of a weapon that sailed over Japan and has the range to target the US territory of Guam, a South Korean ballistic missile exploded as it slammed into the ground due to a technical glitch.

Residents of the coastal city of Gangneung, already on edge due to the increasingly aggressive nuclear tests by rival North Korea, w....