Seoul, April 21: North Korea on Saturday announced its suspension of all missile tests and shutting down of nuclear test site, saying its quest for nuclear arms was “complete” and it “no longer needed” to test its weapons capability. “Under the proven condition of complete nuclear weapons, we no longer need any nuclear tests, mid-range and intercontinental ballistic rocket tests, and that the nuclear test site in northern area has also completed its mission,” North Korean leader Kim Jong-un was quoted as saying by the state-run KCNA news agency.