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.

North Korea says it has test-launched new anti-aircraft missiles, as its military threatens unspecified grave steps against the U.S. and South Korea over their military drills

North Korea said Friday it had test-fired a new weapons system which would boost its combat readiness, as Russia's security chief arrived in Pyongyang for talks with leader Kim Jong Un. Traditional allies Russia and North Korea have drawn closer since Moscow's 2022 invasion of Ukraine,