South Korea’s army and air force staged joint live-fire missile drills simulating a strike on a North Korean nuclear test site on Monday, in response to North Korea’s sixth nuclear test, the South’s Joint Chiefs of Staff (JCS) said.

Pyongyang on Sunday announced the “perfect success” of a noon test of a hydrogen bomb to be used on an intercontinental ballistic missile (ICBM).

The Republic of Korea Army (ROKA) and the Republic of Korea Air Force (ROKAF) conducted combined live-fire drills at around 0600 KST, roughly 18 hours after the North’s nuclear test on South Korea’s east coast.

“The joint