ISLAMABAD: The death toll from a boiler blast in Pakistan’s eastern city of Faisalabad on Friday has risen to 20, state media reported as Punjab Chief Minister Maryam Nawaz took notice of the incident. Rescue officials said on Friday at least 15 people were killed and seven injured in what they described as a boiler explosion in the industrial city of Faisalabad in Pakistan’s Punjab province, prompting a large-scale urban search and rescue operation.