Update:
Here is a video glorifying Hizballah, where the same slogan of ”Khaybar Khaybar” is used. It is clear that they are calling for the death and killing of Jews.
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Here is another video of the muslims chanting different anti-Jewish, anti-semitic slogans in arabic durint the demonstration against the David Cup tennis game between Israel and Sweden.
They have been reported to the ”Justice Chancellor” (Justitiekanslern) and a police complaint will also be made.