North Korea said, it test-fired a new anti-aircraft missile yesterday, its fourth weapons test in under a month. The latest test comes days after North Korea launched a new hypersonic missile which is believed to have nuclear capabilities. US Secretary of State Anthony Blinken said, the tests create greater prospects for instability and insecurity.<br />''<br />''While Pyongyang said, its weapons are needed for self-defence, accusing the US and South Korea of double standards. The latest tests are being seen as a clear sign that Pyongyang has no intentions on slowing down its weapons development despite strict sanctions. According to State news outlet KCNA, the new anti-aircraft missile showed remarkable combat performance and also included new key technologies.<br />''<br />''<span style="color: #222222;">The test came a day after North Korean leader Kim Jong-un extended a conditional olive branch towards the South, saying he wanted to restore a vital communication hotline between them.</span><br />