Authorities said the student allegedly set a trash can on fire and discharged pepper spray.
Authorities said they have filed additional charges against a reverend, as well as two others, involved in a march to the polls that resulted in law enforcement pepper-spraying demonstrators on Halloween.
A second march to the polls is happening in Graham, days after law enforcement used pepper spray to break up the first march.
Two days after law officers used pepper spray to disperse a crowd marching to vote, the Alamance County Sheriff's Office revealed it made 15 arrests after what it deemed a public safety hazard.
Graham Police said Sunday that when demonstrators ignored rules and assaulted a law officer, pepper spray was used to help shut down the activity. An organizer said that amounted to intimidation of potential voters.
Many local Democrats referred to the actions of both the Alamance County deputies and Graham police as a form of voter suppression and intimidation.