Israeli Prime Minister Benjamin Netanyahu says Israel's renewed military pressure in Gaza is aimed at forcing Hamas to agree to a new deal and release hostages. But many Palestinians fear the buffer zone is the first step toward an Israeli occupation. The UN has issued a stark warning, saying Israel's actions risk destroying "the future viability of the Palestinians as a group" in Gaza. Chapters: 00:00 Israel increases military pressure in Gaza 04:59 Ehud Olmert, Former Israeli Prime Minister