Ceasefires in Gaza and Lebanon appeared at risk on Sunday as disputes continued over key deadlines, and local health officials said that Israeli forces opened fire on both fronts. In Gaza, Israel accused Hamas of violating the ceasefire there by changing the order of hostages it has released.

Any prolonged Israeli occupation of southern Lebanon could breathe new life into Hezbollah, a group that was founded to liberate Lebanon from Israeli occupation and has portrayed itself as the only force capable of protecting Lebanon’s borders,