15 dead in Pakistan revenge attack
Dozens of gang members angered over the killing of one of their leaders opened fire on passers-by outside a market in southern Pakistan, killing 15 people.
The gunmen used machine guns and grenades in the attack that also left 40 people injured in the Lyari area of Karachi, the capital of southern Sindh province, senior police officer Shah Nawaz said.
Mr Nawaz said a notorious gang was behind the attack, and a massive search was under way to find and arrest all those who had killed "innocent women, children and men".
He insisted: "They will not go unpunished."
Another police officer, Abdul Khaliq Sheikh, said police and paramilitary rangers chased the gunmen and killed eight in a gun battle. He said supporters of a gang leader killed overnight in a shootout with police were behind the violence.
Television footage from the scene showed ambulances taking the injured to hospitals.
Karachi is the largest city in Pakistan and home to various criminal gangs and militant groups.