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At the Guns N' Roses concert in Buenos Aires, which took place at the River Plate stadium on the 4th, the barrier separating the general admission area from the VIP area was knocked down by the audience, causing a mass exodus of fans to the VIP side.
The barrier was closed again by security guards after a few seconds, but in the video below it is possible to see one of them punching a fan in the head (at 13 seconds into the video).
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