The deal, mediated by the United States, offered a glimmer of hope in a conflict that has taken an immense human toll.

The dispute underscores the fragility of the deal as mediators worked to ensure that it would go into effect on schedule.

Pro-Palestinian groups in Canada say a newly negotiated ceasefire deal to pause the Israel-Hamas war in the Gaza Strip will not end their regular demonstrations in cities like Toronto, while a national Jewish advocacy group says it "will not rest" until every hostage held by Hamas is released.