Democratic presidential applicant Joe Biden has steamrolled rival Bernie Sanders in principal elections in Florida and Illinois, US media venture.
Accelerating his momentum in the race, the former US vice-president led Mr Sanders in each states by broad margins.
Arizona was also voting on Tuesday, although its polls have not nonetheless shut.
Mr Biden is the favorite to turn into the Democratic prospect who will face President Donald Trump in November.
The previous US vice-president is hoping to create an unassailable direct in the race for the Democratic management after scoring victories in 16 of the previous 21 point out contests.
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In accordance to opinion polling, most Florida voters reported electability was a precedence for them.
About a few in four reported Mr Biden would have a far better likelihood of beating Mr Trump, a Republican. Just a person in 5 stated the very same of Mr Sanders.
Older voters were more most likely to say they supported Mr Biden.
Nearly fifty percent of Florida’s voters reported Mr Sanders’ stances were being much too liberal.
Florida was the largest prize of the night, awarding 219 of the 1,991 delegates needed to safe the Democratic presidential nomination.
Mr Trump won the classic battleground condition by 1.2 proportion points in the 2016 presidential election.
Ohio was also owing to keep a most important on Tuesday, but it cancelled the vote simply because of the nationwide coronavirus outbreak.
Voters in the three states that did head to polling stations on Tuesday encountered hand sanitiser dispensers and personnel in surgical gloves.
Various other states have postponed their Democratic presidential primaries, such as Ga, Louisiana, Maryland and Kentucky.
The Democratic Countrywide Committee has urged the remaining major states not to postpone their voting.
Occasion grandees are encouraging the states to lengthen postal and early voting to reduce community exposure to the respiratory health issues.