KARACHI, Jul24: The fresh wave of targeted killings that began Friday night in Karachi has become severe, as three more people have been killed in separate incidents of firing. The death toll from violent incidents has mounted to 9 while 10 people have sustained injuries. According to police, two men were shot dead by unknown armed assailants when they attacked a state agency in Khuda Ki Bast, Surjani Town. Enraged people set on fire a bus which led to closure of shops and businesses in the area. Intermittent firing continues in the area.