Bernie Sanders (I-Vt.), who has raised $444,000 per day, Sen.
The 37-year-old Mayor of South Bend, Indiana, raised US$7m, calling it "a great look for our first quarter".
Sanders' first quarter haul exceeded that of California Sen.
Hoping to solidify their positions as top-tier candidates in the eyes of voters, the Democratic presidential hopefuls began releasing first quarter fundraising totals this week, ahead of an April 15 deadline set by the Federal Election Commission.
But the decision by Sanders, who is one of the leading Democratic candidates in the race, sparked swift backlash among progressive media operatives, who suggested that the senator would legitimize a network whose programming has been so clearly geared towards boosting Donald Trump.
In March of 2016, Sanders notably participated in FNC's only Democratic town hall during the 2016 presidential election cycle alongside former Secretary of State Hillary Clinton.More news: Joe Biden addresses allegations of inappropriate touching in new video
Ross Greer, a Green member of Scottish Parliament, in February publicly declared his support of Sanders in an appearance on the television show Scotland Tonight.
There are a total of 16 candidates that have officially entered the race so far, and their initial fundraising numbers will give a good initial indicator at how successful they've been on the fundraising front in the campaign's early stages.
'Yes, ' he told attendees at Rev. Al Sharpton's National Action Network conference in NY. O'Rourke's campaign did not reveal how many individuals donors contributed to it or how much cash he has on hand, even though O'Rourke launched his presidential bid by telling reports in Iowa that he plans to "run the largest grassroots campaign this country has ever seen".
The campaign said that "a majority" of O'Rourke's presidential donors had not contributed to his campaign previous year for a Senate seat from Texas in which he came up short against Sen.
"I think they're playing for the long haul here", Shakir said of those donors.
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With such a crowded field - more than 15 Democrats have announced they are running - fundraising abilities have become an early way to prove to donors and potential supporters that a candidate is viable.