Republicans flipped Democratic-controlled Senate seats in West Virginia, Ohio, Pennsylvania and Montana. In the latter three cases, defeated Sens. Sherrod Brown, Bob Casey and Jon Tester also ran ahead of Harris but couldn’t overcome their states’ shifts toward the GOP.

Nearly a week after the November 5 U.S. election, Rep. Ruben Gallego (D-AZ) was named the Arizona U.S. Senate election winner. The Associated Press officially called the race for Gallego late Monday night in Arizona.