South Korea's Unification Ministry said on Monday that North Korea has abruptly cancelled a joint cultural performance with South Korea that is scheduled for the 4th of next month, blaming South Korean media for encouraging so-called insulting public sentiment regarding the North. <br/><br/>Seoul said North Korea's decision to cancel the joint performance is very regrettable and stressed Pyongyang should uphold all agreements made between North and South Korea. <br/><br/>The joint cultural event is slated to be held at Mount Kumgang in North Korea.