Alaska Gov. Dunleavy on Thursday raised the prospect of delaying or blocking certification of election results that would make Democrat Mary Peltola the state's next U.S. senator, telling NewsNation that a certification could be "stopped of changed" if the investigation discovers wrongdoing.

Legal experts who spoke with ABC News acknowledge that the governor could potentially attempt this, but that there is no precedent for it nor sound legal basis for such an intervention.

Alaska courts evaluated the dispute over Dan J. Sullivan's candidacy and found nothing illegal about his bid to be on the ballot -- even if it was not entirely in "good faith" or an attempt to "confuse and mislead" as the Trump administration and Republicans contend. And as unseemly as it may be, it's not a crime to ballot stack nor to encourage voters to support one candidate to attempt draw support from an opponent.

It's also not permissible -- as both the Alaska Supreme Court and U.S. Supreme Court have ruled -- to impose new qualifications for U.S. Senate not otherwise listed in the Constitution.

Procedurally, under Alaska state law, it's not clear that the governor has any direct role in election certification. Also, the state is also a "shall certify" jurisdiction, giving officials no discretion in evaluating ballot tabulations, election law experts said.

-ABC News' Devin Dwyer

All 435 seats in the House of Representatives are on the ballot when voters head to the polls on Nov. 3. But spread across the political map, there are 16 races that ABC News rates as tossup in which the outcomes are expected to come down to the wire and will be crucial to determining the balance of power in the House for the 120th Congress.

Democrats must net at least a three-seat gain to take control.

Take a look at the races that ABC News rates as tossup.

-ABC News' Lauren Peller and John Parkinson

Pope Leo, the first American pope, cast his ballot for this year's elections, the Holy See Press Office announced Friday.

Leo, a Chicago native, voted through a mail-in ballot, according to the Holy See.

"The Holy Father expresses his belief in the right and the duty of citizens to participate in democratic processes," the Holy See said in a statement.

-ABC News' Ivan Pereira

President Donald Trump's rallies in Kansas and Iowa are back on for this weekend after they were canceled on Thursday, according to a source familiar with the matter.

The news come less than 24 hours after they were canceled, with an RNC spokesperson saying that Friday's Florida rally would be his final in-person midterm rally.

Trump was originally scheduled to participate in a Kansas rally on Saturday and an Iowa rally on Sunday. The source says the rallies in both states will now be held on Sunday.

The source familiar also said the rallies were "rearranged for scheduling purposes" to accommodate the flurry of tele-rallies that the president is now slated to participate in on Saturday.

However, Trump clearly said on Thursday that the tele-rally for Kansas Sen. Roger Marshall was to be held "instead" of the in-person rally, and that he was no longer planning to travel "because [Marshall's] doing very well."

"We're going to do a tele-rally for him instead. He's doing -- he's doing very well, actually,” Trump said at the time. "You know the reason is, I don't feel I have to go to Kansas."

-ABC News' Emily Chang