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 unleashes deadly ballistic missile salvo into the sea as it makes chilling threats of conflict and US - South Korean troops go on high-alert during military drills

SEOUL, South Korea — North Korea fired several ballistic missiles into the sea Monday, South Korea’s military said, hours after South Korean and U.S. troops kicked off their large annual combined drills, which the North views as an invasion rehearsal.