North Korea experienced one of its most notable missile test failures in some time this week. An attempted ballistic missile launch from Pyongyang’s Sunan area on Wednesday appeared to fail catastrophically. According to official South Korean sources, the failure resulted in an explosion at an altitude below 12 miles (20 km)

As NK News reported, people in Pyongyang widely saw and heard the resulting debris cloud, launch trail and noise. 

The U.S. Indo-Pacific Command and South Korean sources have assessed it was a ballistic missile. This tracks with Feb. 27 and March 5 launches that involved parts