So I was reading up on the visit of the Pope to Philadelphia, and in the article they stated that there would be a certain zone (the red zone) that pedestrians would have to be wanded in order to enter.

With this, I believe they plan to turn anyone away who may be carrying a weapon. But what if I am legally concealed carrying? Isn't the section they consider the red zone still public property, and can they legally restrict my right to carry in this zone of public property?

Any insight would be helpful, thanks!