At this time there is no word on what caused the Oakland police activity.
HNU CAMPUS ALERT UPDATE: The issue has been resolved by Oakland Police Department. Normal activity can resume.— Holy Names Univ. (@HolyNamesUniv) April 14, 2016
HNU CAMPUS ALERT: The Oakland Police Department has instructed the campus to shelter in place and lock your doors until further notice.— Holy Names Univ. (@HolyNamesUniv) April 14, 2016