Note: The following text is a quote:
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http://www.bouti.com/bouti_e_fatawa_c14.htm#4
Is it for a non-palestinan native to come from a foreign land to do jihad (isteshhad fee sabiliah) against the Jews in Philistine that are slaughtring our fellow Muslim brothers within the blesed land?
Not the Palestinians alone are commissioned to practice Jihad which ought to be done until Palestine is liberated from the aggressors and occupiers. Rather, all Muslims are commissioned to practice it, because Palestine is a land of Islam, which all Muslims must guard it and protect it from aggression