North Korea successfully test-fired a new anti-aircraft missile system, state-run media reported Friday, as Pyongyang continued to condemn U.S.-South Korea joint military drills.

North Korean leader Kim Jong Un oversaw the test-firing of the country's latest anti-aircraft missile system on Thursday, state media KCNA reported, as some experts said Pyongyang was probably getting technical help from Russia to perfect such systems.

Kim Jong Un oversees test-firing of North Korea’s latest anti-aircraft missile system - North Korea has already started the production of the anti-missile defence system and carried out the test to examine its performance,