The result was a violent clash with a small number of demonstrators who threw missiles and tried to push their way through.
"If it starts throwing missiles at you you'll have to pull out fast."
At this point, sections of the crowd began setting fire to the stands and throwing missiles onto the field.
The travellers threw missiles, and abandoned some of their vehicles on the road when they couldn't get in to the three-day event.
Bleacher-bum types in every town have thrown missiles at visiting players.
There are people throwing missiles but the response by the authorities seems to be pretty indiscriminate.
There were two pitch invasions and fans from both clubs threw missiles at each other.
A gang of youths threw stones and missiles at officers who were trying to break up the display.
The rostra became a fortress and was more than once used to throw deadly missiles upon the opposing side.
The week before, loyalists had thrown missiles at Catholics leaving the factory.