NEW : Shiite Muslims in Quetta say the burial of victims will begin at 9 ##pm Friday . A suicide bomber killed more than 80 people Saturday . ` ` Why are we being killed for our religion ? '' a victim 's sister says . `` In fact , the attacks in January and February constitute some of the worst killings in Pakistan 's recent history . '' Shiite Muslims refused to bury bombing victims until action was taken against those responsible .
NEW : Shiite Muslims in Quetta say the burial of victims will begin at 9 ##pm Friday . A suicide bomber killed more than 80 people Saturday . ` ` Why are we being killed for our religion ? '' a victim 's sister says . Shiite Muslims refused to bury bombing victims until action was taken against those responsible .