Pakistan : Two bombs explode at a Sufi shrine . NEW : ` The assault demonstrates the potency of militant groups that the government incessantly repeats operate from sanctuaries in the tribal areas bordering Afghanistan , '' the statement said . Violence has spread to Punjab , Pakistan 's heartland . NEW : Human rights panel calls on government and people to stand up to terrorism . The attack kills 50 , wounds more than 100 .
Pakistan : Two bombs explode at a Sufi shrine . NEW : Violence has spread to Punjab , Pakistan 's heartland . NEW : Human rights panel calls on government and people to stand up to terrorism . The attack kills 50 , wounds more than 100 .