 Just a day after the IDF chief, Herzliya Levy, defended deadly airstrikes Saturday that aimed to assassinate Hamas's top military leader, Mohammed Def, and his deputy. Levy 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.