Somebody in the Twitter comments said its called kettleing. They're basically directing the crowd on their preferred route most likely towards choke points so the crowd will be easier to handle in the event of a riot. Not sure how true that is but it makes sense.
Somebody in the Twitter comments said its called kettleing. They're basically directing the crowd on their preferred route most likely towards choke points so the crowd will be easier to handle in the event of a riot. Not sure how true that is but it makes sense.
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