although undertaken to UNK avenge zulfiqar ali bhutto UNK s hanging by zia UNK , the hijacking was at once condemned Judgment_communication by the young co-chairperson of the ppp , benazir bhutto , who was languishing in a karachi jail .

benazir bhutto , twice prime minister of pakistan ( unk ; unk ) and then-leader of the opposition pakistan peoples party , had been campaigning Social_event ahead of elections Change_of_leadership scheduled Arranging for january 2008 .