Source: BBC Protests and vigils have taken place across Pakistan as Christians demand better protection after suicide blasts killed at least 80 people at a church. Sunday’s double suicide bombing is thought to be Pakistan’s deadliest attack against Christians. Many burials have taken place and candlelight vigils have also been held in memory of the victims. Two Islamist militant groups with Taliban links said they ordered the attack to hit back at US drone strikes. Political and religious leaders condemned the attack, but angry crowds nevertheless took to the streets, denouncing the state’s failure to protect minorities. Islamabad, Lahore, Karachi…