Unidentified gunmen shot dead a member of polio vaccination team in the Rind Garh area of the provincial capital on Tuesday, police said. Officials said the polio team member, identified as Imran, was administering vaccination drops to children near Labour Colony in Satellite Town Police precincts. They said that two men riding a motorcycle arrived and shot at him, leaving him seriously injured. Imran died on way to hospital, officials added. Referring to initial investigation, police officials said the killing could be the result of a personal enmity. They said further investigation was underway.