At least three people were killed and another injured in a fresh violence incidents here in Karachi on Sunday. Sources said that two people have been gunned down and another injured at MA Jinnah road while another person was shot dead in Orangi town area of the city. According to MLO civil both the persons, who killed at MA Jinnah road, were Scouts. Angry people staged protest against the two killing and torched several vehicles and motorcycles at Numaish Chowrangi area of the city.