While security operations around the Olympics are mostly geared around terrorism and crowd control, an additional concern with the World Cup is preventing fan fights and hooliganism.
There have been a number of incidents at this summer's European Championship:
Incidents of violence erupted in Dortmund as Dutch hooligans targeted England fans, resulting in injuries to five individuals. Videos circulating online depict
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England’s opening Euros game has been marred by violence, with the arrest of seven Serbs and a warning of banning orders for any UK nationals found to be involved
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