KARACHI - Fresh violence claimed three lives and wounded four others including a rangers official in separate incidents here on Thursday. Town Police Officers (TPO) Gulshan-e-Iqbal said that two people including a teenage bystander were killed when a clash occurred between the activists of Pukhtoon Student Federation and the PPP at Abulhassan Isfahani Road, Sohrab Goth.  In the indiscriminate firing, Sahid Rind, an activist of PPP sustained bullet injuries and died on the way to hospital. After his assassination, intense exchange of fire took place between the two groups resulting in the death 17-year-old Yasir Abbas, who was standing at the balcony of his apartment. Meanwhile, an armed clash between the activists of the MQM and the PPP at Safoora Cowrangi claimed the life Shahid Hussain and injured four people including Shani, Salman, Khurram, Ashi, and Imran alias Kala. The police have registered separate cases.