protective services

hay evryone long time no talk anyway
i was at the robbie williams Close Encounters Tour on monday way cool:cool:
as you all may know there where cops all over the place but there where guys there that looked like cops they had guns too i dont know who they are i think it was protective services or something anyone know who they are and what they do?

Shoot people!... they might have been the new anti terrorism people ive heard so much about

anti terrorism uhh ok thanks man:)