WASHINGTON: The anti-establishment left of the Democratic Party has carried a surge of US primary victories from New York to Colorado, delivering a stinging rebuke to party leaders seen as too cautious, too corporate and too tied to Washington. In its latest triumph, Democratic Socialist Melat Kiros, a 29-year-old former attorney and part-time barista, stunned one of the party’s longest-serving lawmakers Tuesday, defeating Diana DeGette in a Denver-based House district.

Democratic socialist Melat Kiros has defeated U.S. Rep. Diana DeGette in a Colorado House primary

Colorado's primary has Democratic incumbents fighting off challenges ranging from progressive newcomers to state lawmakers seeking higher office.