The Korean People's Army Supreme Command spokesman said North Korea would scrap the the armistice signed in 1953 if the South and United States continue with two-month long annual military drills, according to the KCNA news agency.
The armistice ended a three-year conflict between North and South Korea with a truce rather than a treaty.
More top news
Support for new parents has faced deep cuts in recent years - and some social workers warn it could lead to a rise in forced adoption.
Theresa May and Donald Trump will meet for talks at the World Economic Forum next week in Davos, in the Swiss Alps, Downing Street has said.
Cameras caught planes having a rough ride coming into land, after days of storms across northern Europe which left nine people dead.