A demonstrator holds a sign saying 'Stop anti-Semitism' at a vigil in Berlin on Friday after attackers hurled Molotov cocktails at a synagogue in the German capital. Getty Images
A demonstrator holds a sign saying 'Stop anti-Semitism' at a vigil in Berlin on Friday after attackers hurled Molotov cocktails at a synagogue in the German capital. Getty Images

EU anti-Semitism chief urges 'zero tolerance' for hate speech