The thing that jumped out at me from these videos is the fierceness of the clashes. It's not lobbing a few Molotov cocktails followed by some tear gas followed by a few gestures and running away. These people are angry.
I'll confess, I'm not sure who the players are. The drama, however, is unmistakable.
Update: I did a tiny bit of research. According to the WSJ, is driven by economics and corruption. It doesn't seem to be the kind of thing that could be blamed on the Jews.