The Metropolitan Police described the incident as "football-related".
A spokesman said a man had been arrested in the area for a public order offence, unconnected to the damage at Piebury Corner.
A man in his 40s was taken to Whittington Hospital in north London with cuts to his head.
A London Ambulance Service spokesman said the man's injuries were not thought to be serious.
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Flaviu, a two-year-old Carpathian lynx, was reported missing from Dartmoor Zoological Park on July 7, triggering a search operation.
The report also said that many graduates do not even see a 'earnings premium' from their years at university.
The country's counter-terrorism forces have regained control of the facility.