Seven police officials guarding polio workers were killed in two separate attacks in Orangi Town Wednesday afternoon, officials said. <br /> <br />DIG West Feroz Shah told that eight gunmen riding four motorcycles carried out the killings in two separate attacks in the neighbourhood. <br /> <br />“The gunmen first opened fire on three policemen in the streets of Orangi Town, killing them all,” he said, adding: “Later they shot dead four policemen, who were sitting in a police mobile van” a few streets away. <br /> <br />“The first incident happened while the police was escorting the polio team,” Shah said. <br /> <br />“A policeman intervened when eight men on four motorcycles came and asked a polio worker for his name. In response, the men opened fire. Although the police fired in response, they were overpowered,” he said. <br /> <br />“The same men killed four members of another police team.” <br /> <br />Abdul Kareem, an official at the Abbasi Shaheed Hospital, where the bodies were taken, also confirmed the casualties. <br /> <br />There are no reports of injuries or deaths of polio workers. <br /> <br />The anti-polio campaign in the area was suspended immediately and heavy contingents of law enforcement agencies, including paramilitary Rangers, cordoned off the area.