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 added博客国际成The UN Security Council will hold an emergency meeting 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"The current situ博客国际成ation on the Korean Peninsula is complicated, sensitive and severeBeijing expressed its opposition to Pyongyang's use of ballistic missile technology in violation of UN Security Council resolutions on Friday, calling for restraint from all relevant parties