In a special U.S. House of Representatives election in New York, Democrat Tom Suozzi secured victory, tightening the Republican majority that has grappled with legislative hurdles. The vacancy arose after the House expelled Republican George Santos for fabricating details about his background, leading to fraud charges.

Suozzi, a former congressman who had previously held the seat, defeated Mazi Pilip, a Republican county legislator with a military background. The district encompasses a portion of New York City and its eastern suburbs.

Suozzi’s win diminishes House Speaker Mike Johnson’s majority to 219-213, complicating the management of a factionalized caucus. Last week, the House failed to impeach President Joe Biden’s top border official, Alejandro Mayorkas, showcasing internal challenges.

Despite setbacks, the House later passed the measure after the return of No. 2 Republican Steve Scalise from cancer treatment.

Upcoming decisions include whether to address a Ukraine aid bill and avoid a government shutdown next month.

The New York district, which transitioned from supporting Biden in 2020 to Republicans in the 2022 mid-term elections, serves as a battleground for both parties ahead of the November election.

Suozzi, a moderate Democrat, pledges bipartisanship in addressing pressing issues like the southern border crisis.

During his victory speech, Suozzi faced interruptions from pro-Palestinian protesters, highlighting Democratic divisions over foreign policy. Immigration emerged as a pivotal issue, with Suozzi advocating for comprehensive solutions while criticizing Republicans for obstructing Senate-negotiated border security deals.

Despite the significance of the election, turnout was dampened by a winter storm, further diminishing participation in the February special election. Both campaigns offered transportation to polling sites to counteract the weather’s impact.