A member of the Hamas political bureau was killed during an Israeli air strike in the southern Gaza Strip. He was responsible for relations with other groups in the enclave, according to the Israel Defense Forces. According to the IDF, Hamas political bureau member Izz al-Din Kassab was killed as a result of an airstrike in the vicinity of Khan Younis in southern Gaza. The Israeli army describes Kassab as “one of the last high-ranking members of the Hamas Politburo remaining alive in the Gaza Strip.” He headed the national relations department and, according to Israeli military sources, had au…