A senior U.S. government official said this in Washington on Sunday evening.
Iran barraged Israel with missiles in retaliation of the killing of three commanders in its consulate in Syria on April 1.
South Africa emphasises that all parties must exercise the utmost restraint and avoid any act that would escalate tensions in a particularly fragile region.
The statement added that both sides planned to meet in person early next week.
“The news of the air strike that killed World Central Kitchen aid workers in Gaza is deeply distressing.’’
A resolution in the UN Security Council requires at least nine of the 15 votes to pass, and there can be no veto from one of the permanent five powers.
The Israeli army offensive on Gaza City’s al-Shifa hospital has led to further militant deaths, the military reported on Thursday.
Mr Cameron said several conditions must be met for a lasting ceasefire in Gaza
German government sources on Thursday confirmed that German Chancellor Olaf Scholz will visit Israel and Jordan from March 15.
A German-Israeli man who was kidnapped in the Gaza Strip has been declared dead.
