CHICAGO — Three students from Saint Ignatius College Prep in Chicago were upgraded to stable condition Sunday after a semi-truck hit a bus carrying the school’s junior varsity hockey team Saturday in Northeast Indiana, authorities said. There were 16 total injuries from the crash, which occurred at around 7 p.m. in Warsaw at U.S. Route 30 and Center Street. The bus was carrying 23 students, two coaches and a driver, Warsaw, Indiana, police said. The driver of the semi-truck was arrested for suspicion of operating a vehicle while intoxicated, police said. The team was returning to its hotel fro…