The killing of Yahya Sinwar, a senior Hamas official, has raised questions about who will lead the organization and the fate of Israeli hostages held in Gaza. Sinwar's leadership was seen as an obstacle to ceasefire negotiations, but Hamas maintains its conditions for a ceasefire have not changed. Hamas demands a complete Israeli withdrawal from Gaza, an end to hostilities, humanitarian aid, and the reconstruction of the territory, while Israel insists on Hamas surrendering. Despite the loss of Sinwar, Hamas has a history of enduring leadership losses and finding new leaders. Mohammed Sinwar, Yahya Sinwar's brother, may play a crucial role in shaping the future of the movement in Gaza.