The purpose of testing a new type of tactical ballistic missile named Hwasongfo-11-Da-4.5 was to verify the hitting accuracy at a medium range of 320 km and the explosive power of a super-large conventional payload weighing 4.5 tons. Warhead, KCNA said.

North Korea also tested a strategic cruise missile whose performance has been highly upgraded for combat use, Xinhua news agency quoted KCNA as saying.

KCNA said Kim Jong Un said that due to the security situation, it has become imperative for the country to increase its military capability for self-defense.

It said the North Korean leader stressed the need to strengthen nuclear power and possess the strongest military technological capability and tremendous offensive capability in the field of conventional weapons.