A US move to recognise Jerusalem as Israel's capital would mean the end of President Donald Trump's peace efforts on the Israeli-Palestinian conflict, a senior Palestinian official warned Tuesday.
Palestinian political factions, meanwhile, called for demonstrations against any such announcement.
Continuing his diplomatic offensive against the move, Palestinian president Mahmud Abbas also spoke with French President Emmanuel Macron by phone on the issue on Tuesday, official news agency WAFA said.
Nabil Shaath, an adviser to Abbas, told journalists that a decision by Trump to recognise Jerusalem as Israel's capital "totally destroys any chance that he will play a role as an honest broker".
"That takes away... the deal of the century," he added, referring to Trump's pledge to reach an elusive peace agreement between the Israelis and Palestinians.
Trump on Monday delayed a decision on whether to recognise Jerusalem as the Israeli capital and move the US embassy there.
The White House said Trump would miss a deadline to decide on shifting the embassy from Tel Aviv, after a frantic 48 hours of public warnings from allies and private phone calls between world leaders.
There have been suggestions he will stop short of moving the embassy for now but recognise Jerusalem as Israel's capital -- a move that would upturn years of precedent and run contrary to international consensus.
"We have not been asking for anything outside the two-state solution," Shaath said.
"Mr Trump and his administration are violating that, and therefore they don't play that game and we don't play with them that game."
Israel occupied east Jerusalem and the West Bank in the 1967 Six-Day War. It later annexed east Jerusalem in a move never recognised by the international community.
Israel claims the entire city as its undivided capital, while the Palestinians want the eastern sector as the capital of their future state.
The city's status is among the most difficult issues in the conflict. US traditional policy has been that its status must be negotiated between the two parties.
Abbas's Fatah party called for demonstrations if Trump goes through with the reported plan to recognise Jerusalem.
Hamas, the Palestinian Islamist movement that runs the Gaza Strip, plans to hold protests on Wednesday night after evening prayers in the enclave.
The controversy comes ahead of a planned visit later this month to Israel and the Palestinian territories by US Vice President Mike Pence.
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