However,their visa applications have been rejected by immigration officials in Canberra, insist their decision is part of the government's response to Pyongyang's missile and nuclear weapons programs.

VOA: standard.2009.12.09

China has criticised a US plan to strengthen its missile defences in response to North Korea's growing military capabilities.

BBC: China criticises US missile defence plans

South Korea suspended its humanitarian aid in response to missile tests by North Korea last July.

ECONOMIST: North Korea's nuclear programme

Tokyo put its missile defenses on alert in response to reports of the Musudan deployment.

WSJ: North Korea Fires Missiles Into Sea