Yahoo News is tracking the balance of power in real time. The map below will be updated as the Associated Press reports results for open seats. As of Thursday afternoon, roughly 28 races were still too close to call. The outcome of several Congressional elections could help determine the future success of President-elect Donald Trump’s second term.

Keeping tabs on the final tally as control of the House of Representatives remains up for grabs with dozens of races still undecided.

It will take 218 seats to rule the House, and although neither party had yet to reach the threshold, the numbers appeared to favor the GOP.