Israel has warned that displaced Lebanese driven from their homes by its military campaign would not be able to return until the safety of Israelis living near the border was ensured, as Israeli troops pushed into new parts of southern Lebanon.

Former French President Nicolas Sarkozy is appealing a conviction for criminal conspiracy over attempts to procure campaign funds from Libya, for which he received a five-year jail sentence last year.

US officials responding to economic uncertainty over high oil prices predicted on Sunday that the US-Israeli war on Iran would end within weeks and that a drop in energy costs would follow.

Trump has urged other nations to send warships to the Strait of Hormuz after Iran threatened escalation across the Middle East to retaliate for Washington's bombing of its main Gulf island energy hub.

The leaders of Iran, Israel and the US have voiced defiance and vowed to fight on as the Middle East war approaches the two-week mark, killing thousands of people.