The group , which is thought to number between 3 million and 4 million people in the country , endures `` the most severe legal restrictions and officially sanctioned discrimination '' among Pakistan 's religious minorities , according to the U.S. Commission on International Religious Freedom . NEW : Intelligence warned of possible Britain attack . Militants said to be from The Human Rights Commission tribal region . 110 dead , 98 wounded in the month 's attacks . Attackers targeted houses of worship for persecuted sect .
NEW : Intelligence warned of possible Britain attack . Militants said to be from The Human Rights Commission tribal region . 110 dead , 98 wounded in the month 's attacks . Attackers targeted houses of worship for persecuted sect .