France and Saudi Arabia will convene dozens of world leaders to rally support for a two-state solution, with several of them expected to formally recognise a Palestinian state - a move that could draw harsh Israeli and US responses.
While the summit could boost the morale of Palestinians, it is not expected to deliver change on the ground, where the most far-right government in Israel's history has declared there will be no Palestinian state as it pushes on with its war against Hamas in Gaza.
Efforts to create a two-state solution have failed to make any progress for decades as violence raged.
Israel and the United States would boycott the summit on Monday, Israel's UN Ambassador Danny Danon, said, describing the event as a "circus".
Britain, Canada, Australia and Portugal recognised a