Democrat Laura Gillen was projected to win a tight race on Long Island, according to NBC News, one of the hotly contested New York congressional districts that could determine the balance of power in the House of Representatives.

Democrat Laura Gillen has defeated U.S. Rep. Anthony D’Esposito in a congressional race on Long Island, flipping a third House seat in New York for Democrats to partially reverse a red wave that washed over suburban and rural parts of the state during the last election.

Laura Gillen unseated Representative Anthony D’Esposito, a first-term Republican, on Long Island. Her campaign focused on abortion and the border.

Democratic challenger Laura Gillen notched an upsetTuesday night over first-term GOP Rep. Anthony D’Esposito in New York City’s suburbs, flipping a highly coveted seat in a racially diverse district spanning the South Shore of western Long Island.

Democrat Laura Gillen has declared victory over Anthony D'Esposito in New York's 4th Congressional District​. CBS News has not projected a winner.

Gillen’s win puts a dent into Republicans’ recent gains across Long Island. Last year, Republicans won the Suffolk County executive seat. And D’Esposito’s 2022 victory flipped a seat that Democrats had held for nearly three decades.