Quoted from an 8pm UBC Bulletin (link):
Wed. Jan. 30, 8:00 pm
A threat was received from an unknown person indicating the potential of harm to others earlier this afternoon at the Bio Sciences Building.
The RCMP was informed and took operational control to lock down, search and escort people out of the building.
During this period of lockdown, the campus community was cautioned to stay where they were located, to remain alert to their surroundings, and to report any suspicious circumstances to the RCMP at 911.
The Bio Sciences Building has now been cleared by the RCMP and turned back over to the University. While UBC is relieved the situation has been resolved, it emphasizes that issuing threats is a serious criminal offence and will lead to police investigation and criminal charges. Conviction for threatening serious bodily harm or death can lead to a prison sentence of up to five years.
Police will continue their investigation. Anyone with information on this incident is asked to call police or Crime Stoppers (1-800-669-TIPS or 1-800-669-8477).
Also, more here at the Ubyssey.