An Israeli government study shared with Washington argues that Palestinian refugees number in the thousands, not the millions designated by a U.N. aid agency whose funding has been slashed by the Trump administration, an Israeli official said on Friday. The fate of Palestinians displaced by the 1948 war of Israel’s founding and their descendants has long clouded U.S.-sponsored peace efforts. Frustration over the issue is among factors fuelling often violent weekly protests at the Gaza border over the last half year, during which around 200 Palestinians have been killed by Israeli forces. Palestinians demand a refugee right of return to...