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
The victims were playing the popular game in Whittington Park in Holloway on Tuesday night, when three males suspects approached them.
A former Royal Marine who has recently been engaged has been killed in a climbing accident in the French Alps.
Through the day we'll see plenty of sunny spells but there will be a risk of showers too as they filter down from the northwest.