California Democrats introduced a plan last week that could slash five Republican-held House seats in the liberal-leaning state while bolstering Democratic incumbents in other battleground districts.

State legislators are scheduled to hold floor votes on Thursday, according to a schedule from Democratic leadership.

Republican legislators filed an emergency petition with the California Supreme Court, arguing Democrats are blatantly violating the state Constitution by rushing bills through the Legislature that would create new voting districts.

The California Supreme Court on Wednesday rejected a petition filed by state Republican legislators seeking to halt Gov. Gavin Newsom’s (D) plan to redistrict California’s congressional map. “Petitioners have failed to meet their burden of establishing a basis for relief at this time under California Constitution article IV,

Republican legislators in California announced Wednesday that they are sending a letter to the U.S. Department of Justice and to the U.S. Attorneys representing California, calling for a potential federal investigation into who is behind the proposed new congressional maps in California and how they were constructed.

The California Supreme Court on Wednesday rejected an effort by Republican legislators to delay Democrats from gerrymandering the state's congressional districts. The justices said the legal challenge, filed earlier this week, "failed to meet their burden of establishing a basis for relief at this time under" the California Constitution.