A building under construction at an Islamic boarding school in Indonesia collapsed on dozens of praying students Monday, killing at least one pupil, injuring dozens and burying others in the rubble, officials said. AdvertisementPolice, soldiers and rescuers dug into the debris through the night in attempts to locate at least three additional pupils believed to be trapped alive at Al Khoziny Islamic Boarding School in the East Java town of Sidoarjo. One male pupil was killed and 83 others were injured and taken to two nearby hospitals, some of them in critical condition, officials said. AdvertisementMost of the victims were male because female pupils were praying separately in another part of the building and managed to escape, survivors said. Residents, teachers and administrators helped injured pupils, many with head injuries and broken bones.