South Korea’s birth rate has dropped throughout much of the past decade, spelling trouble for the military as regional threats and global conflicts simmer. Now, a new report has found that the number of South Korean troops declined by 20% in the past six years,

South Korea and the United States began their annual large-scale joint military exercise on Monday to better cope with threats by nuclear-armed North Korea, which has warned the drills would deepen regional tensions and vowed to respond to “any provocation” against its territory.

The North Korean leader's powerful sister said on Thursday that the country has never taken down propaganda loudspeakers and will not do so, calling South Korea's belief that Pyongyang was responding to its peace overtures a "pipedream.