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 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,