Democrat Mary Peltola, as expected, is continuing to expand her lead over Republican U.S. Sen. Dan S. Sullivan in results released Tuesday night, with her getting 48.79% of ballots tallied so far to his 47.05%.

The 1.74% difference is 0.6% higher than results released late Monday, with the Associated Press estimating 84% of votes have now been tallied, up from 76% a day earlier. Ballots being tallied since Election Day a week ago are expected…