Pyongyang says the potential sale of AIM-9X Sidewinder missiles and related equipment poses ‘a new threat’ to its security environment.

Pyongyang says the potential sale of AIM-9X Sidewinder missiles and related equipment poses ‘a new threat’ to its security environment.

North Korea condemned on Thursday US plans to supply Seoul with tactical missiles and fund human rights monitoring projects, vowing a "powerful response" to what Pyongyang…