Former US Vice-President Joe Biden has formally won the Democratic Party’s presidential nomination, after securing more than 1,990 delegates.
He confirmed the development in a post on his Twitter handle in the early hours of Saturday.
“Folks, tonight we secured the 1,991 delegates needed to win the Democratic nomination. I’m going to spend every day fighting to earn your vote so that, together, we can win the battle for the soul of this nation,” he tweeted.