Stephen Colbert and cellist Yo-Yo Ma participated in a discussion titled “Arts for Life’s Sake” at Harvard University's Sanders Theatre. The event was disrupted by Harvard Graduate Student Union (HGSU) protesters who used shouting, drums, and air horns because the guests had crossed their picket line.
About forty minutes into the session, a fire alarm was triggered, forcing organizers to end the event and escort the guests out. The HGSU, which has been on strike since October 27, denied responsibility for the alarm.