KARACHI - Target killing on Wednesday claimed four more lives in different violent incidents here.According to details, police found two bullet-riddled bodies of youth from bushes in Sahib Dad Goth within the limits of Memon Goth police station.The identities of the victims were yet to be ascertained while police found their bodies near the link road located between Super Highway and Steel Town.SHO Rao Khalid said police rushed to the spot after being informed about the bodies. Both the victims were shot multiple times. The bodies were later shifted to the hospital.Police quoted eyewitness accounts said that unidentified men came in a jeep and a car and disembarked both the victims and resorted to indiscriminate firing.Police shifted their bodies to Jinnah Postgraduate Medical Centre for medico-legal formalities where doctors said the bodies were around half-hour old. Later, police moved their bodies to morgue for identification. Motive behind the dual murder was yet to be ascertained. Police registered a case against unidentified culprits but failed to make any headway so far.In another incident of target killing two rickshaw drivers were shot dead in two separate acts of violence in two different parts of city.A 35 year-old Noor Khan, son of Malang Khan was shot dead near Daig Wali Building in the limits of Orangi Town police station. The victim was the resident of Zia Colony Metroville Site, while he was going on his rickshaw when unidentified armed motorcyclists came and opened fire on him.Resultantly, he received multiple bullets and died on the spot. The body was shifted to Abbasi Shaheed Hospital for medico-legal formalities.Similarly, another rickshaw driver namely Gull Mir Khan was shot dead near Gharibabad in the limits of Sharifabad police station. DSP Wajahat Hussain said the victim was a rickshaw driver and might be killed due to ongoing ethnic violence in the City. The body was shifted to ASH and later handed over to his heirs.Moreover, at least three people were injured in grenade attack in Landhi area on late Wednesday night. Police officials said that the incident took place near Hospital Chowrangi in Muslim Town, Landhi where unknown motorcyclists came and threw a grenade at a gambling den. Later, the suspects managed to escape from the scene. The injured were rushed to the Jinnah Postgraduate Medical Centre for treatment. Several similar attacks have taken place in Lyari during past six months in which dozens of casualties have been reported. No case was registered till the filling of the report.