German prosecutors said Thursday they had filed war crime charges against the alleged leader of a rebel group which fought in Syria alongside Islamic State jihadists. Syrian Amer A., the suspected chief of the group Liwa Jund Al-Rahman, is accused of war crimes in “the form of forced displacement, looting in two cases and destruction”. Prosecutors also charged another Syrian named as Basel O. for alleged membership in the group and arrested a third person on suspicion of similar crimes. Amer A. is alleged to have founded the Liwa Jund Al-Rahman in 2013 in the Syrian province of Deir Az-Zour an…