The ambassador said China has done its best to implement the UN Security Council resolutions in a strict and full fashion, while pushing for relevant parties to resolve problems through peaceful negotiations"China is not the driver behind the escalation of the tensionstvt体育滚球All relevant parties should remain calm and avoid actions that intensify tensions," Foreign Ministry spokeswoman Hua Chunying said after Pyongyang fired a ballistic missile that flew over northern Japan and landed in the Pacific Ocean earlier in the day"It's irresponsible and unhelpful for the settlement of the issue to unjustly blame others and shirk responsibilities in any form," she addedThe UN Security Council will hold an emergency meetintvt体育滚球g on Pyongyang's latest missile launch on Friday, at the request of the US and Japanese delegations, days after it unanimously adopted a new resolution imposing more sanctions over Pyongyang's Sept 3 nuclear testShi Yongming, a researcher at the China Institute of International Relations, said the US never tries to determine what its own problem is, but insists on blaming China for the current tensions