Midterm Elections

Pressley Upsets 10-Term Incumbent In Stunning Massachusetts Primary

And by running unopposed in November, she's going to make history.

Pressley Upsets 10-Term Incumbent In Stunning Massachusetts Primary
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Ayanna Pressley is now on track to become the first black woman to represent Massachusetts in U.S. Congress. 

The Boston city councilor beat out incumbent U.S. Rep. Michael Capuano in Tuesday's Democratic primary for the state's 7th congressional district.

Capuano, who's currently winding down his 10th term in Congress, is the fourth House incumbent to lose a primary this year. The others are Republican Reps. Mark Sanford and Robert Pittenger and Rep. Joe Crowley, the fourth-ranking Democrat who lost to Alexandria Ocasio-Cortez back in June. . 

Capuano was gracious in his concession speech Tuesday night, saying "Massachusetts will be well served" with Pressley as one of its representatives.

Pressley is running unopposed in the November general election.

Additional reporting from Newsy affiliate CNN.