Willis confirmed three people were injured and taken to Huntsville Hospital. A hospital spokesman confirmed two victims were in critical condition and another in stable condition.
The shooting occurred Friday shortly after 4 p.m. in the University of Alabama-Huntsville Shelby Center for Science and Technology, a science and engineering building. The shooting reportedly occurred during a biology faculty meeting.
The university's Twitter page reported all three fatalities were university faculty members. A university spokesman confirmed that, and that the wounded were two faculty members and a staff member.
The university's Web page declared the campus has been closed and all classes have been canceled for the night.
About 7,500 students attend the university.