Around three people were killed in separate incidents in Karachi on Wednesday. According to police, some dacoits opened were trying to rip off a shop in Kharadar, when on seeing the police they opened fire. Resuntantly, two passers-by got killed. Police repulsed the fire; however the robbers managed to escape. In another incident, some unidentified felons gunned down a man at Kahlid bin Walid Road. On the other hand, Karachi CCPO claimed to have arrested the key accused in DSP Khalid Ranjhas murder. The CCPO told the newsmen that the held culprits revealed important facts.