More than 100 vehicles left Pakistan 's capital Islamabad to protest drone strikes . The protesters were demanding an end to the US drone attacks in Pakistan's tribal areas and a halt on CIA flights over Pakistani territory. American officials insist that the choice and execution of the strikes -- begun under President George W. Bush and ramped up under President Barack Obama -- meet strict standards and that cases of civilian deaths or injuries are extremely rare . American officials insist drone strikes meet strict standards .
More than 100 vehicles left Pakistan 's capital Islamabad to protest drone strikes . The protesters were demanding an end to the US drone attacks in Pakistan's tribal areas and a halt on CIA flights over Pakistani territory. American officials insist drone strikes meet strict standards .