President Donald Trump on Friday tapped William Barr, a conservative lawyer who was attorney general in the administration of the late George H.W. Bush, to lead the US Department of Justice.

Trump names William Barr as new attorney general

Rod Rosenstein, the deputy attorney general overseeing the probe into alleged collusion between Russia and President Donald Trump, was received Monday at the White House as US media reported he was about to resign or be fired.

Trump-Russia collusion: Top official overseeing probe could be fired

Sessions had previously testified he was unaware of any contact between campaign associates and Russians

US Attorney General Jeff Sessions questioned in Russia probe

The 'Dreamer' programme protects almost 800,000 young men and women who were brought into the United States illegally as children from deportation

Trump scraps 'Dreamer' programme, 800,000 young immigrants now at risk of deportation

Concerns have been raised about whether Sessions helped otherwise subvert the ongoing Russia-related investigations

US attorney general next in scandal's spotlight

President Bush's ethics officer said Sessions must step down. While unsure if he's been blackmailed, he said it's 'way too big a risk'

Trump-Russia: Sessions may be blackmailed by Kremlin, says former White House chief ethics officer

He called Sessions an 'honest man', says he 'did not say anything wrong'

Trump slams 'witch hunt' over attorney general