The US president appeared to forget that she had passed away.

So-called 'is informed' letters allow the Commerce Department to bypass lengthy rule-writing processes to put controls in place quickly, but the letters only apply to the companies that receive them.

However, he will remain in isolation until he tests negative on a second test.

But the White House doctor says that the US president continues to feel 'very well'.

With his approval rating at 38%, the 79-year-old Biden has been damaged by bruising inflation and voter worries that he will not be able to meet the demands of the presidency in 2025.

Biden, 79, who emerged from Covid isolation on Wednesday after testing positive on July 21, will now return to strict isolation.

The president's approval rating has fallen to a record low of 36%, according to Reuters/Ipsos polling, with the economy listed at the top of voters' concerns as higher grocery, gas and housing bills mount.

He says he is 'getting a lot of work done' and will continue with his duties.

Minister of State for Foreign Affairs Adel al-Jubeir says the crown prince made the case that trying to impose values by force on other countries could backfire.

Measures that attorney William Olson proposed Trump take included replacing the acting attorney general if he refused to contest the vote in the US Supreme Court.

On a trip to reset relations with a country he had called a pariah after Khashoggi's killing in 2018, Biden said the crown prince denied involvement in the murder and said he had held those responsible to account.

The US is eager to see Saudi Arabia and its Opec partners pump more oil to help bring down the high cost of gasoline and ease the highest US inflation in four decades.