Civil rights advocates on Wednesday expressed alarm at a rapid escalation by Texas state troopers who descended on a student-led protest at University of Texas at Austin, which was organized in solidarity with Gaza and other U.S. college students taking part in a growing anti-war movement.

UT students gathered on campus at midday and were promptly given two minutes to disperse by state troopers, who had already been called to the scene.

The troopers were equipped with riot gear, with some carrying assault rifles and several stationed on horses.

Erick Lara, a 20-year-old sophomore, told The Dallas Morning News that the nonviolent protest transformed "within minutes" after the police began arresting demonstrators.

"I didn't think it would escalate this far," he told the outlet. "And I didn't think there would be this much police........

© Salon