About 30 black students who were standing silently at the top of the bleachers at Donald Trump’s rally here Monday night were escorted out by Secret Service agents who said the presidential candidate had requested their removal before he began speaking.

The sight of the students, who were visibly upset, being led outside by law enforcement officials created a stir at a university that was a whites-only campus until 1963.

“We didn’t plan to do anything,” said a tearful Tahjila Davis, a 19-yea