WASHINGTON (Sputnik) — Houston police has responded to the incident, Click 2 Houston reported.
The incident occurred just hours after one student had been killed and three wounded earlier on Friday in a shooting at Northern Arizona University.
Texas Southern University is a historically African American university with about 9, 600 students and 350 administrative staff.
The need for a new law regulating arms sales in the United States has been widely discussed following a number of shooting incidents that occur on a regular basis.
Last week, a 26-year-old gunman opened fire on campus of the Umpqua Community College in Roseburg in the US state of Oregon. Ten people, including the shooter, were killed and seven injured.
The Second Amendment to the US Constitution guarantees the right of Americans to keep and bear arms.