Elizabeth Warren Goes After Trump on Twitter Again

Final Donald Trump-Hillary Clinton debate: What to expect 3:35

Sen. Elizabeth Warren launched a new tweet-storm against Republican nominee Donald Trump Wednesday morning, hours before the final presidential debate of 2016.

Warren responded to Trump's recent claims that the election is rigged against him, telling the nominee that he is losing fair and square. In one particularly colorful tweet, Warren told Trump to put on his "big-boy pants."

The senator also said voter fraud "only seems to plague places where lots of people might vote for" Democrats.

Warren and Trump have feuded on Twitter in the past. In July, Warren mocked Trump and his running-mate, Mike Pence. Trump responded several times, labeling the senator "Goofy Elizabeth Warren" and accusing her of lying about her heritage.