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AUSTIN, Texas (AP) — University of Texas System regents are expected Thursday to approve rules allowing concealed handguns in campus classrooms and buildings.

The rules are mandated by a state law that takes effect Aug. 1.

The most controversial rules have been at the flagship Austin campus, which would allow concealed handgun license holders to carry their weapons into classrooms but not dormitories. They must have their guns holstered and may not keep a bullet in the chamber of a semi-automatic weapon.

Opponents worry that allowing guns will make campuses less safe and lead to more violence and suicide. Gun-rights groups argue the law is a key Second Amendment and self-defense measure.

The Texas A&M System approved gun rules for its campuses in April.

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