Concern that the truce will collapse is growing as fury mounts in the Arab world over President Donald Trump's plan for the U.S. to take over Gaza.

Chinese President Xi Jinping plans to chair a symposium to boost private sector sentiment next week that will be attended by the country's business leaders including Alibaba co-founder Jack Ma, three people with knowledge of the meeting said.

Prime Minister Benjamin Netanyahu of Israel said the cease-fire would end if Hamas did not release captives held in Gaza. But he did not say how many hostages had to be freed.