At least 6 more people were shot dead by unknown gunmen in different part of Pakistan metropolitan city of Karachi while government has imposed ban on pillion riding for one month. Police sources said that the firing incidents were occurred in Malir Ghazi Town, Steel Town, airport, Haidery Town and Sohrab Goth area of city. After the fresh wave of killing the government has imposed banned on the pillion riding in city of one month.