A Chinese graduate student at Boston University was the third victim of Monday's bombing at the finish line of the Boston Marathon, the university announced Tuesday . University officials said that the student, whom it did not identify pending approval from his family, was among a trio of B.U. students and friends who watched the end of the marathon from near the finish line. Another graduate student was injured and remains hospitalized, the university said. Boston-area colleges continued to report that some of their students were injured, including seven from Emerson College .