Oslo: May 8, 2015. (PCP) Norwegian chapter of Pakistan Muslim League (Q), led by its President Chaudhry Mohammad Razzaq, has expressed deep grief and sorrow over the tragic incident of army helicopter crash in the Northern Areas of Pakistan in which the ambassadors from the Philippines and Norway have been killed, while others injured. In a statement issued on Friday, Chaudhry Razzaq termed the incident 'worst' in the entire diplomatic history. President PML Norway Chaudhry Mohammad Razzaq, General Secretary Shiekh Riaz Ahmed, Mohammad Siddique and other office bearers, paid rich tributes to the contributions of late Ambassador of Norway in Pakistan, Leif H Larsen, for promoting closer relations between both countries, and called for 'three days of mourning' in wake of the loss.