KARACHI - Three people, including a police officer and an activist of the Pakistan People’s Party, were killed in the metropolis on Friday.A sub-inspector was shot dead in Kunwari Colony within the remits of the Pirabad Police Station. Identified as Syed Sabtain Naqvi, son of Syed Ghulam, the victim was heading towards the SP Investigation (west) office on his car when two armed men, riding a motorbike, opened fire on him. The policeman received three bullets. According to DSP Tariq Malik, the victim tried to reach a hospital but the culprits chased him down and ensured his death. The body was shifted to the Abbasi Shaheed Hospital (ASH) for medico-legal formalities. The officer said the victim was the additional SHO of the Manghopir Police Station. He had three children and was a resident of Garden Headquarters. No case was registered till the filing of this report.Separately, an activist of the PPP was shot dead while a passer-by was injured in New Karachi within the limits of the Bilal Colony Police Station. The incident took place in the wee hours of Friday. Two armed men, riding a motorcycle, opened indiscriminate fire on 35-year-old Rana Amir, the PPP worker. A passer-by, Tauseef, 25, also received bullet injuries. Police shifted them to the Abbasi Shaheed Hospital for medical treatment, where Rana Amir succumbed to his injuries. According to SHO Ilyas Shah, the victim was sitting in front of his home when unidentified armed men attacked. PPP leader Sohail Abidi said the victim was the finance secretary of the PPP’s culture wing district central. No case was registered till the filing of this report.In another incident, a man was shot dead near Chaghi Hotel Qasba Colony. The victim, 32-year-old Sabir Hussain alias Babu, son of Khadim Hussain, was a resident of Qasba Colony. He was sitting among his friends when two gunmen opened fire on him. He received six bullets and died on the spot. The body was shifted to the ASH for medico-legal formalities. According to DSP Tariq Malik, the victim used to run a gambling den.