DHAKA, Bangladesh The death toll from a Bangladesh Air Force aircraft crash at a Dhaka school building has jumped to 31, with most of the dead being children, the military’s media wing said Tuesday. As many as 165 people are suffering from burn injuries, and 20 bodies have been identified and returned to their families, said the Inter Services Public Relations (ISPR). An air force training jet crashed Monday into a building of the Milestone School and College in the capital city’s Uttara