I carry a weapon at synagogue, under orders from my Rabbi, as do several of our group, including a police man.
We have had several drills on what to do.
It’s basic common sense for Jews, and, increasing, appears to be common sense for Christians.
I said on another thread our Priest at our Catholic Church was an Army Sniper. I wonder if he has a weapon in the pulpit, just in case. I would bet he does. He is also a hunter every year when hunting season opens.