Militants in Afghanistan killed two children of an Afghan policeman when he refused to quit his job. Reports quoting official sources in Ghazni said the children were killed by the Taliban because their father was working with Afghan police.According to the reports, the Taliban had warned the policeman several times in the past that his family would be killed if he did not quit his job.International Security Assistance Force in Afghanistan has condemned the killing of innocent children and offered its condolences to the bereaved family.