India, Nov. 3 -- Republican lawmakers and allies have suggested that the US Senate could refuse to seat Democratic candidate Mary Peltola if she wins Alaska's closely contested Senate race. Their remarks have escalated tensions over an election already overshadowed by legal challenges involving two candidates named Dan Sullivan.

A federal judge on Monday dismissed a lawsuit filed by the Department of Justice seeking to delay certification of Alaska's Senate election over concerns that a second candidate named Daniel J. Sullivan could confuse voters and affect the outcome.

After the lawsuit was dismissed, House Oversight Committee Chairman Rep. James Comer said on Fox News Sunday that it was "a big possibility" that Republicans might ref...