I have almost been run down by a beach buggy deliberately. Good thing the sand below is soft enough for me to pull my leg away just as I can feel the front wheels dragging my feet under. Scared the hell out of me.
I also have been told off so many times that I gave up on shooting strangers in any situation. If you need to include strangers, either make sure they are aware and approve, or they are part of the bokeh/cannot see face/faraway. I think I enjoy photography more after deciding not to take photos of strangers. The people who approach me are more interested in the what I am taking instead of why I take their photo.