Entering Election Day on Tuesday, the battle for control of the US House of Representatives rests on a knife’s edge – with a historically small universe of competitive races poised to determine the chamber’s majority in the next Congress – an outcome that could have far-reaching consequences for the next president’s agenda.

Election Day is here, and tens of millions of Americans are now heading to the polls across the country. Their votes will be the deciding factor in 22 toss-up House races that will determine whether Republicans or Democrats control the chamber for the next two years.

Along with working to win the presidency, both parties are fighting for control of the Senate. According to the Decision Desk HQ, Republicans have a 70% chance of taking over the Senate. Currently, Democrats hold 51 seats.

This election will be crucial for both parties who are battling for the balance of power in the House. Get live updates on the races.

Control of the Senate is up for grabs on Tuesday as more than a dozen critical races could shift the balance of power between Democrats and Republicans. Democrats have held the slimmest of majorities for the last two years with Vice President Kamala Harris playing tiebreaker on 50-50 votes,