Doesn't matter, when law enforcement issues a directive to move along or vacate and area, it's a lawful directive. If you choose to remain, you are no longer a peaceful protester, you are failing to abide by a lawful directive.
The first thing I saw on TV when I got up this morning was a big headline that Trump had “peaceful protesters tear gassed for photo op.”
The media spin on his church visit has begun in earnest.
I changed the channel. I cannot watch TV news in the US anymore.