Jakarta, Oct. 1 -- At least 91 students of an Islamic school in Sidoarjo town of Indonesia's East Java province remain trapped in concrete rubble on October 1, almost two days after the school's prayer hall collapsed on them, according to local authorities. As of September 30 evening, at least three students had been confirmed dead and 100 others were injured, many with head injuries and broken bones. The students were mostly boys in grades seven to 12, between ages 12 and 18. Female students were praying in another part of the building and managed to escape, survivors said. The structure fell on top of hundreds of people, who had been performing afternoon prayers in a prayer hall at the century-old al Khoziny Islamic boarding school on S...