UPDATE: The lone gunman in the University of Texas shooting has been identified by authorities as 19-year-old UT sophomore Colton Tooley.

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Students on lockdown since early this morning after the shooting at the University of Texas at Austin have been given the all-clear and are able to return to their dorms.

Although the campus remains officially closed and university officials are urging people who don't live there to stay away, students are slowly being let out and can be seen walking around campus.

The only injury reported has been the shooter, identified so far only as a student, who took his own life on the sixth floor of the Perry-Castañeda Library. The shooter's motive remains unclear, as he reportedly walked past a group of students on the ground floor, carrying an AK-47, without firing any shots.

Eight to 10 shots were reportedly eventually fired on the sixth floor.

The search for a second suspect now appears to be over. Conflicting eyewitness reports of what the shooter looked like first led police to worry that there could be a second suspect still on the loose.

Although the incident claimed no outside injuries, it was a tense morning for a campus that witnessed one of the deadliest school shootings in United States history when Charles Whitman fatally shot 16 people and injured 31 others from a tower on Aug. 1, 1966.

Check back at CultureMap as details emerge.