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.

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 Kim Yo Jong said peace overtures being made by South Korea's new liberal government were "deception" and denied Pyongyang had taken reciprocal action, state news agency KCNA reported on Thursday.