South Korea’s peace overtures are a “pipe dream”, the powerful sister of North Korea’s Kim Jong-un has warned, in comments mocking Seoul for its recent attempts to ease hostilities.

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.

North Korean leader's sister Kim denies Pyongyang has removed some propaganda loudspeakers along inter-Korean border