Journalists Amir Iqbal and Nasir Habib contributed to this report . more than 100 vehicles left Islamabad 's capital Pakistan to protest drone strikes . Senior government officials warn that the participants will not be allowed into South Waziristan . Pakistani officials insist drone strikes meet strict standards .
more than 100 vehicles left Islamabad 's capital Pakistan to protest drone strikes . Senior government officials warn that the participants will not be allowed into South Waziristan . Pakistani officials insist drone strikes meet strict standards .