The 'Palestinian' flag appears in Ferguson, Missouri

I haven't really been following the story of the race riots in Ferguson, Missouri, but I suppose it was inevitable that the rioters would invoke the cause of the 'Palestinians' as if Israel was to blame for the shooting of a black man who (allegedly) stole cigars from a liquor store.

For some reason, the Palestinian flag made it’s debut yesterday in
Ferguson. What does Palestine have to do