My girlfriend witnessed a robbery in London's city center ~2 weeks ago, in the second day of our visit. After that, we saw a homeless guy pooping on a wall; som

My girlfriend witnessed a robbery in London's city center ~2 weeks ago, in the second day of our visit. After that, we saw a homeless guy pooping on a wall; some of them screaming at others. I didn't feel like I was personally in danger, but I'm also a guy who's lived next to American slums.