Their worries are exacerbated by President Donald Trump’s demand that all of the hostages be freed by Saturday — and his insistence that Gaza be emptied of all Palestinians and redeveloped as a tourist enclave.

Hamas’ threat to delay the hostage release sparked fury from Israeli Prime Minister Benjamin Netanyahu, who vowed to resume the fighting if Hamas didn’t follow through and ordered troops to be strengthened around Gaza. They pulled back from the territory’s populated areas during the ceasefire.

Hamas’ threat to delay the next planned release of Israeli hostages from the Gaza Strip has jolted a fragile ceasefire that’s seen as having the potential to wind down the war