Pakistan says gunmen killed policeman guarding polio workers


              A health worker administers a polio vaccine to a child in Peshawar, Pakistan, Monday, Oct. 24, 2022. (AP Photo/Muhammad Sajjad)
            
              A police officer stands guard while a health worker gives a polio vaccine to a child in Peshawar, Pakistan, Monday, Oct. 24, 2022. (AP Photo/Muhammad Sajjad)
            
              A health worker administers a polio vaccine to a child at a school, in Lahore, Pakistan, Monday, Oct. 24, 2022. (AP Photo/K.M. Chaudary)
            
              A health worker administers a polio vaccine to a child in Lahore, Pakistan, Monday, Oct. 24, 2022. (AP Photo/K.M. Chaudary)
Pakistan says gunmen killed policeman guarding polio workers