Officials said the group entered at least nine academic buildings across campus, shouting and attempting to disrupt classes.

There’s a legal fight going on over whether UNC Chapel-Hill digital IDs that live on student, staff and faculty phones are legitimate IDs that can be used for voting. Democrats say they are. Republicans say they aren’t.

State law does not prevent UNC-Chapel Hill students from using their university-issued mobile identification cards as voter ID, a Wake County judge ruled Thursday. State and national Republicans sued the state Board of Elections over its party-line approval of UNC-Chapel Hill’s mobileOne cards as acceptable identification for use at the polls.