She was carrying a backpack big enough to hold a bomb, climbing through a hole in a door that was barricaded, being warned by armed guards not to, and was backed by thousands of angry rioters ready to follow her in.
I'm pretty sure she represented a threat.
If your house were surrounded by people yelling and waving bats and batons and pipes and you barricaded your door against them entering, would you feel threatened by someone who broke your window and started climbing in?