welcome back to cnn newsroom. i m george howell. there has been another school shooting in the united states. students at northern arizona university are grieving after a fight turned deadly on campus early friday. police say four people were shot multiple times. two separate student groups got into a confrontation. the confrontation turned physical, and one of our students, steven jones, 18-years-old, produced a handgun and shot four of our other students. one of our students is deceased. the other three are being treated at the flagstaff medical center. reporter: the suspect is charged with first-degree murder. police say he is cooperating with their investigation. in the united states, the president, barack obama, made a stop on friday in roseburg,