A female worker of a non-governmental organisation, Farida Afridi was shot dead by unknown armed men in Jamrud tehsil of Khyber Agency on Wednesday, said political authorities. Farida Afridi, working at NGO SAWAIRA, a non-profit organisation was on way to her office when unidentified gunmen riding a motorcycle opened fire and killed her on the spot. The office of the SAWAIRA organisation situated in Hayatabad area of Peshawar works for the rights of women.