Abu Huthaifa al-Ansari has called on ISIS supporters around the world to attack Jews and avenge the killing of Hamas terrorists in the Gaza Strip.. ... Islamic State spokesman Abu Huthaifa al-Ansari, in a speech published by the terror group’s media arm Al-Furqan on Thursday evening, called on ISIS supporters around the world to attack Jews and avenge the killing by the Israel Defense Forces of Hamas terrorists in the Gaza Strip. In a 30-minute recording titled, “And kill them wherever you find them,” Al-Ansari instructed terrorist cells to strike Israeli and Jewish targets across the United States and Europe,...