Washington D.C., June 6 -- : Former vice president Joe Biden clinched the Democratic presidential nomination on Friday (local time), officially setting the stage for a contentious general election fight with President Donald Trump this November.

The former vice president hit the delegate threshold on Friday, most recently winning a series of primaries on Tuesday night across the country, The Hill reported.

"It was an honour to compete alongside one of the most talented groups of candidates the Democratic party has ever fielded -- and I am proud to say that we are going into this general election a united party," Biden said in a statement.

"I am going to spend every day between now and November 3 fighting to earn the votes of Americans al...