Luke Bronin defeated incumbent John Larson in a Connecticut primary election. This primary upset signals a shift towards new leadership in Washington. Bronin emphasized generational change and pragmatic solutions for voters. Larson relied on his extensive experience and legislative achievements. The outcome reflects a national trend of voters replacing long-serving officials.

The 14-term Connecticut Democrat lost to former Hartford Mayor Luke Bronin, NBC News projects, in a heavily blue district.

Former Hartford Mayor Luke Bronin defeated 78-year-old Rep. John Larson.

Former Hartford Mayor Luke Bronin defeated Rep. John Larson (D-CT) as the lawmaker sought his 15th term in the House.