North Korea said it tested a newly developed tactical missile a day after it launched two projectiles into the East Sea and caused concern among officials in Seoul, Tokyo and Washington.

On Friday, North Korean state media announced that top North Korean military official Ri Pyong Chol guided the launch of the “newly-developed tactical guided missiles” a day prior. North Korean leader Kim Jong Un reportedly did not attend the test-firing.

“The development of this weapon system is of great significance in strengthening our military power and arresting all sorts of military threats existing on the Korean Peninsula,” Ri, who