Karachi- At least six people were killed in the fresh wave of violence in different parts of the city. Police said that unknown gunmen killed two people in Orangi Town area of the city while a man was shot dead and two others injured in Sharifabad locality. Three people were shot and injured in Qauidabad area of the city over a dispute. Unknown gunmen opened fire on a vegetable shop near Parking Plaza in Sadar, killing one and injuring two others. Two men were gunned down in Pehlwan Goth area during an exchange of fire between two armed groups.