After quitting the race for the White House last week, Sanders backs Biden for the Democratic nomination.
The American senator Bernie Sanders, has ended his campaign for the Democratic nomination.
The Vermont Senator announces the suspension of his Presidential campaign.
Former US vice-president Joe Biden has swept to victory in Democratic primary elections in Florida and Illinois.
Though presidential hopeful Bernie Sanders did not pick up as many delegates as he had hoped in last night's primaries, he said that his campaign resonates with younger voters.
By Helier Cheung
BBC News, Washington DC
By Reality Check team