NANKANA SAHIB – Nankana Sahib DPO Shahzad Waheed on Monday committed suicide by shooting himself with his official pistol. According to media reports, the incident occurred at 10am on Monday morning. Police said reasons behind the desperate act of the top cop were yet to be known. Waheed was deployed in Nankana Sahib some eight months ago and he hailed from Kamonki City. The officials have started the investigation into the case to come out with the reasons of the suicide.