North Korea abruptly called off a joint cultural event scheduled to be held at its Mt. Kumgang resort to celebrate the upcoming Winter Olympic Games in South Korea, the South's Unification Ministry said Monday.In a telegram, the North said it was canceling the event slated to be held at Mt. Kumgang on Feb. 4, the ministry said.North Korea has cited what it claimed to be "biased" media reports about the upcoming event.South Korean media have voiced concerns that the joint events planned by the two Koreas in the lead-up to and during the Pyeongchang Winter Olympics may violate U.N. Security C…READ FULL ARTICLE