1: Islamabad , Pakistan ( CNN ) Police have arrested more than 500 parents in and around the northwestern Pakistani city of Peshawar for not allowing their children to get the polio vaccine , an official said Tuesday . 2: Those arrested will be released on bail if they sign an affidavit stating that they will let their children get vaccinated , according to the deputy commissioner . 3: Official : Parents who sign affidavit vowing to vaccinate their children will be released .
1: more than 500 parents in and around the northwestern Pakistani city of Peshawar 2: Those arrested 3: Parents