Bellville South police were called to UWC Kovacs residence at about 1am to control a crowd of students who were up in arms after a student allegedly raped and beat up a female student in one of the rooms.
Police spokesperson Siyabulela Malo would not comment on reports that police fired shots.
He said no injuries were reported during the process of removing the alleged suspect from the residence. He was taken to Bellville South police for questioning.
UWC spokesperson Gasant Abarder said the university had noted rumours of the rape of a student on campus but had not received any reports on the matter.