“Senator Luther Strange has done a great job representing the people of the Great State of Alabama,” Trump tweeted. “He has my complete and total endorsement!”

The primary to fill the seat once held by Attorney General Jeff Sessions is set for next Tuesday, Aug. 15. A run-off will be held Sept. 26 if no candidate gets more than 50 percent of the vote, which seems likely in the crowded field though polling has been scarce.