Former US vice-president, Joe Biden, has crushed rival Bernie Sanders in Democratic primary elections in Florida, Illinois and Arizona.
The Delaware senator made a clean sweep in all three states on Tuesday – thus accelerating his momentum in the race to be crowned the Democratic presidential nominee in July’s party convention.
With most Florida precincts reporting, Mr. Biden led Mr. Sanders by nearly 62% to about 23%, according to the Associated Press.
In Illinois, with most precincts reporting, Mr. Biden led the Vermont senator by 59% to 36%.
According to partial results from Arizona, Mr. Biden had a double-digit lead on Mr. Sanders. There, Mr. Biden led among white voters by 51% to 32%. Hispanic voters were more equally divided between Mr Biden (45%) and Mr Sanders (44%).
Florida was the biggest prize of the night, awarding 219 of the 1,991 delegates needed to secure the Democratic presidential nomination.
Donald Trump defeated Hilary Clinton there, a traditional battleground state, by 1.2 percentage points in the 2016 presidential election.