First off, I believe that in order to "blame" anyone (but yourself), you would have had to have reported the fall at the time of the accident. Otherwise, thier would be no documentation on record that the fall actually occured and WHERE!

2nd, while it would be nice if all sidewalks, roads, yards, parks, driveways, parking lots, beaches (etc) were perfectly safe to walk on, they are not!

3rd, in my most humble opinion, even if you COULD sue the business or the city, it is STILL the faller's fault. And as stated earlier, all these unnecessary law suits really help to sky rocket other costs. Even if you fell INSIDE a store, I feel it is frivolous to try to get money from them for your own clumsiness. Just like the person who spilled hot coffee in their own lap and then sued McDonalds

So....legally, I do not know, but I sure hope this person, and a lot of other people, will just stop trying to get free money for things that simply happen in LIFE.

(hope that all made some sense)