Watch the progression of events in this video about demonstrations in Malmo, Sweden.
(1) Jews have a peaceful demonstration (backed by a permit) singing songs and hurting no one.
(2) Muslims (with no permit) gather in much larger numbers and start hurling rocks, eggs, bottles, and eventually a rocket.
(3) The police, knowing they have much less to fear from a group of Jews than a group of Muslims, tell the Jews to leave.
And here's some more about Muslims in Malmo:
I know, I know. "David, how dare you mention any of this? David, a Jew once threw a rock at me, so it's okay for these Muslims to throw rocks back. David, how dare you inform people of what's happening in Europe? David, you don't live in Sweden, so you have no right to post a video about Sweden." And so on.