Hamas sources reported Thursday that during the fighting, they executed one of their highest officials, Hayman Taha, whom they accused of spying for Egyptian intelligence. He did not die in the fighting with the IDF in Shejaiye as reported but was put to death, they said. DEBKAfile: Publication of this episode marks a total breach between Hamas and Egyptian intelligence chief Gen. Mohammed Tohamy, who has acted as intermediary in negotiations for a durable ceasefire in Gaza.