North Korea vows ‘powerful response’ after US approves arms sales to South Korea

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 described as Washington’s hostility towards it. The US Department of State said on Friday it had approved the possible sale of AIM-9X Sidewinder Block II missiles and related equipment to South Korea at an estimated total cost…