Israel said on Thursday it was preparing for the reopening of Gaza’s Rafah crossing with Egypt to let Palestinians in and out, but set no date as it traded blame with Hamas over violations of the US-mediated ceasefire. A row over the return of bodies of hostages held by Hamas in Gaza retains the potential to upend the truce along with other major planks of the plan yet to be resolved, including disarmament of militants and Gaza’s future governance. Israel demanded that Hamas fulfil its...