Despite being heavily outnumbered by the police protesters were able to make their way right up to the twenty metre perimeter fence surrounding the trial site. Two demonstrators were arrested, one for attempting to breach the fence and another some distance from the site.
Protesters played frisbee and ate a picnic at the site but, due to being outnumbered, were not in a position to get through the fence to decontaminate the site.
(I'm having to to do this in a few goes)