Three women working for the polio vaccination campaign were killed in two separate attacks in Jalalabad city, capital of Nangarhar Province on March 30, reports Bakhtar News Agency. One of the incidents happened at around 11:30 am local time in Majboor Abad area Jalalabad’s District 4 in which unidentified gunmen killed a woman worker of polio vaccination campion.In another similar incident less than one hour after the first attack, unidentified gunmen killed two other female workers of the campaign in Lal Qasim Agha area in Jalalabad’s PD7, sources said.According to hospital officials, the workers named Basira, Samina and Negina. Local officials have not commented on the incidents. No group has claimed responsibility for the attacks.