The first polls have begun closing in the United States on Tuesday, marking the culmination of a day of voting in consequential midterm elections that will determine control of the US Congress. All 435 seats in the House of Representatives and 35 of the 100 Senate seats were up for grabs, with results poised to have significant implications for the nation's political landscape.

The outcome of these elections is crucial, as it will shape the legislative agenda and the direction of the country for the remainder of the current presidential term. With Democrats campaigning on platforms to address the rising cost of living and end the US-Israel war on Iran, they are aiming to regain a majority in the House. Simultaneously, the party expresses optimism about potentially reclaiming control of the Senate.

The initial indicators of the election's trajectory are expected to emerge from Kentucky's sixth congressional district, a closely contested race where polls closed at 6 p.m. ET. This district, which includes Lexington, has seen significant Democratic investment in the campaign of Navy veteran Zach Dembo, who faces Republican Ralph Alvarado, a physician and former state lawmaker endorsed by Trump. A Republican hold in this seat could provide early insights into the party's overall performance across the nation.

Results from the various races will be released throughout Tuesday evening. However, some outcomes may not be finalized until Wednesday or even later, as states complete their voting processes and begin the tabulation of ballots. Al Jazeera is providing comprehensive coverage and live updates on its dedicated results page.

Historically, midterm elections often serve as a referendum on the sitting president's performance. The party not holding the presidency typically gains seats in Congress, reflecting voter sentiment midway through a presidential term. This year's midterms are particularly significant, occurring amidst economic challenges and ongoing international conflicts, factors that have heavily influenced campaign messaging.

Both parties have mobilized their bases, with campaign spending reaching record levels. Democrats are emphasizing their efforts to lower inflation and protect reproductive rights, while Republicans are focusing on issues such as border security and crime. The influence of former President Trump remains a key factor, with his endorsements playing a critical role in several Republican primaries and general election contests.

Beyond the control of Congress, several key Senate races are drawing national attention, including contests in states like Pennsylvania, Georgia, and Arizona. These races are often decided by narrow margins and could hinge on voter turnout in specific demographics. The composition of the Senate will significantly impact the president's ability to confirm judicial appointments and pass legislation.

As the nation awaits the final results, the coming days will reveal the extent of any political shifts and set the stage for the next election cycle. Unresolved questions may linger regarding the final margins in tightly contested races and the potential for recounts or legal challenges.