加沙停火第二阶段协议谈判启动，将涉及哈马斯解除武装、加沙未来治理安排等更棘手问题

Group 1 - The second phase of the ceasefire negotiations for Gaza has commenced, focusing on security guarantees, administrative management, and preventing future conflicts [1] - A peace summit held in Sharm El-Sheikh, Egypt, involved leaders from Egypt, the US, Turkey, and Qatar, who signed a document to guarantee the ceasefire agreement for Gaza [3] - The first phase of the ceasefire agreement included a significant exchange of hostages, with Hamas returning 4 deceased Israeli hostages and Israel releasing 1986 Palestinian detainees [3] Group 2 - Following the ceasefire, Israeli forces opened fire again, resulting in the deaths of at least 6 Palestinians, indicating ongoing tensions despite the peace efforts [4] - There are unresolved issues regarding the return of remaining hostages' bodies and the future governance of Gaza, particularly concerning the roles of Hamas and the Palestinian Authority [6] - The second phase of negotiations is expected to address more complex issues, including the disarmament of Hamas and the governance of Gaza, with potential risks of chaos if not managed properly [6]