The campaign says the 78-year-old Sanders experienced chest discomfort during an event Tuesday and sought medical evaluation.
The news comes as Sanders was preparing for Wednesday campaign events in Nevada, including a "Medicare for All" town hall in Las Vegas.
"Whenever you happen to are being outraised 3-to-1 by Elizabeth Warren, Bernie Sanders or Joe Biden, you have not any viable path to victory", acknowledged Rufus Gifford, Barack Obama's damaged-down finance director.
"This is a (ton) of money", Bakari Sellers, a top surrogate for California Senator Kamala Harris, tweeted in reference to Mr Trump's fundraising.
Booker received just 1 percent in the latest Monmouth University poll, conducted during the period where the US senator raised more than $2 million over 10 days after warning that he could be forced to pull the plug on his White House bid. The campaign said its average donation was $34, lower than the $39 average they reported in the previous fundraising quarter.
His fellow 2020 candidates were quick to wish the Vermont Senator a speedy recovery. The third-quarter figures have to be reported to the Federal Election Price by October 15.
Amber Guyger cries on stand during murder trial
The prosecutor said Jean posed no threat and was in his living room eating a bowl of ice cream when Guyger entered his apartment. Despite her theatrical death wish pronouncement, Guyger and her defense team are still fighting to save her from life in prison.
Pence advised Trump against releasing partial transcript of Ukraine call
Web searches for "hyphen" skyrocketed as people second-guessed whether they (or the president) really knew what a hyphen was. Leshchenko is also no fan of Trump or Rudy Giuliani, who has led a one-man campaign to dig up dirt in Ukraine on the Bidens.
U.S. leads condemnation of China for 'repression' in Xinjiang
China's top diplomat hit back at U.S. criticism of its trade and development model in a speech on Tuesday after Mr Trump spoke at the UN.
A recent series of Biden ads asking for donations said Trump was "trying to distract you from what's really at stake for your family by spreading lies about my family", and his campaign says they've seen a significant uptick in donations.
The remaining 15 candidates - including Pete Buttigieg, mayor of South Bend, Indiana; former U.S. Rep. Beto O'Rourke of Texas and U.S. Sen. Sanders raised $18.2 million in the second quarter and has bested that total by $7 mil this time around.
RNC said Tuesday that it has raised more than $308 million in 2019 and has more than $156 million in the bank.
Sen. Bernie Sanders campaigns at the University of New Hampshire on Monday.
On the grassroots side, progressives have centralized behind their two preferred candidates: Sanders, who retains many supporters from his previous presidential run, and Warren, who has grown her fundraising base as her poll numbers have risen. That compares with the 72% of SC voters who identify as Republicans, who told Winthrop they approve of Trump.
Warren, who has leapfrogged Sanders in national and statewide polls, has not yet released her fundraising totals for the third quarter. That money could make the difference between staying in the race and heading for the exits. Elizabeth Warren to his left, for the next presidential debate, which will also feature a new face and a returning candidate among the dozen Democrats onstage vying for their party's nomination.