 Mohamed Def and his deputy. Halevi said it's still unclear if Def is dead. Hamas insisting he's alive after the IDF strikes that killed at least 90 Gazans. Jordana Miller, ABC News, Jerusalem. Sales are increasing for the world's biggest iPhone makers. Apple and Samsung both increased shipments in the second quarter. Samsung with nearly 54 million smartphones, Apple with a little more than 45 million. Daria Albinger, ABC News.