oxford
It would cause 'massive damage' if EU staff lost their right to work.
White British pupils are the least likely to attend university.
Police do not yet know what caused the incident.
Only 6% of institutions are 'truly free, open spaces'.
Police warned the event posed too great a risk of 'public disorder'.
Harris Manchester College thought the Oxford grad could be an intruder.
The 23-year-old compared the Rhodes statue at Cape Town University to 'swastikas in Jerusalem'.
The college teaches trainee Church of England vicars.
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