Joe Biden withdraws from US presidential race and endorses Kamala Harris

In a post on social media, Joe Biden said: 'My fellow Democrats, I have decided not to accept the nomination and to focus all my energies on my duties as President for the remainder of my term' 

Incumbent US president Joe Biden put an end to weeks of speculation on Sunday, saying it was 'in the best interest of my party and the country for me to stand down'. Picture: Jacquelyn Martin/AP 

US President Joe Biden has withdrawn from his bid for re-election, saying it is “in the best interest of my party and the country for me to stand down”.

Mr Biden has also offered his “full support” to Vice President Kamala Harris to be the Democrat nominee.