Islamist militants, who aim to overthrow the Pakistani government and install their own brand of strict Islamic law in the predominantly Muslim country of 220 million people, have been active in recent months.

The move is seen as a win for the Biden administration's effort to regulate the technology which has experienced a boom in investment and consumer popularity.

After initially crashing, the driver hit the barriers a second time, reports say.

Ultimately, the White House report suggested, the long-term failure of the war, including the Taliban's surprising resilience and the weakness of government forces, meant the ending was never going to go well.

The chief of staff position is one of the most important at the White House, the senior political appointee responsible for driving the president's policy agenda and ensuring appropriate staff members are hired.

As soon as the first batch of documents was discovered in Biden's former office last November, lawyers turned them over to the National Archives, which handles all such materials, the White House counsel's office says.

Trump's unusually early entry into the White House race is being seen in Washington as an attempt to get the jump on other Republicans seeking to be the party flag-bearer in 2024 – and to stave off potential criminal charges.

The US Court of Appeals for the DC Circuit has granted what it calls an administrative injunction and scheduled arguments for Nov 30.

Trump has reportedly discussed the possibility with his close aides of launching his 2024 campaign on Jan 20, the day Biden is to be inaugurated as president.

Political director Brian Jack has tested positive for Covid-19 along with another advisor who was not identified.

Housing and Urban Development Secretary Ben Carson and top aide David Bossie are said to have contracted Covid-19.

The White House reception did not feature social distancing or masks.