I voice support for Israel's policies. That doesn't make more responsible for then nor does it in any way justify attacking my person because of my political beliefs. As individuals living in democracies we are socialized to understand the value of discussion over violence in political discussions. If you disagree with someone's views of Israel attacking them physically is not the means to win the argument. Moreover, attacking an entire community, Jews, because of the fact that they might have more support for a foreign country than the population as a whole is simply racist.
EU's Tusk warns Turkey to cut refugee flow (Reuters)
from the article: Jews reluctantly abandon Swedish city amid growing anti-Semitism