Gen Z firebrand challenges establishment giant: NYC's Chi Ossé tees up primary bid against Hakeem Jeffries

His campaign marks a direct challenge to the old guard of the Democratic Party establishment from the party's young, progressive wing, and it comes as Democrats are riding high following Mamdani's success in New York City and their gubernatorial wins in New Jersey and Virginia.

Jeffries was reluctant to endorse Mamdani's mayoral campaign after the socialist shocked the political establishment when he secured the Democratic nomination in June. After four months, Jeffries finally offered Mamdani an 11th-hour endorsement ahead of early voting.

Jeffries is up for re-election next year as Democrats battle to regain control of the U.S. House of Representatives in the upcoming midterm elections. 

Fox News Digital reached out to Jeffries, Mamdani and Ossé for comment but did not immediately receive a response.