From the link below:

The next day, Thursday, demonstrations continued, including a mass meeting of 1,000 students on the Lawn. The YAF pressed its demand for a student referendum on the proposed strike and on the demands listed by the Strike Committee and Student Council. A vote was set for Monday. That night, protesters assembled at the intersection of Rugby Road and University Avenue for a “honk-in”—urging drivers to honk their horns in support of the strike and against the war. As the crowd grew, it flowed toward Emmet Street and Route 250, increasingly disrupting traffic, until state police with billy clubs herded the crowd back toward Grounds. But it was only a mild rehearsal for the following night.

When Friday’s “honk-for-peace” demonstration again flowed toward Emmet and Route 250, more than 200 helmet-clad state police officers were waiting. And they didn’t wait long. Declaring the assembly a violation of the Virginia Riot Control Act—passed in 1968 as an anti-protest measure—the police told University administrators to tell the demonstrators to disperse. When that failed, the police charged.

“That was an amazing event,” Clement recalls. “I was at a black-tie function at the Rotunda and went outside. Students were taunting the state police, who were lined up on the white lines on University Avenue with billy sticks. All of a sudden, the police charged, jumping over a stone wall. Everybody got the hell out of there.”

As the police pursued demonstrators up Rugby Road and even onto the Lawn, Clement’s room on the West Lawn quickly became a shelter—for people he didn’t know. He recalls seeing police pulling people out of rooms by their legs. They made 68 arrests, almost indiscriminately hauling protesters, student marshals, bystanders, a man delivering pizza, even tuxedo-clad fraternity members and their dates, into a pre-positioned Mayflower moving van. As far as Tom Gardner and other activists were concerned, as Saturday arrived, Grounds were now occupied by the police.

Also see https://twitter.com/RareUVA/status/1258909907581112324