As voting centres opened across the state for voters to cast their choice for the Republican candidate for the US senate, Mr Trump posted two early morning tweets, urging people to get behind the man has endorsed, Luther Strange.
‘Luther Strange has been shooting up in the Alabama polls since my endorsement. Finish the job – vote today for ‘Big Luther’,” he said.
A few hours later, he added: “Alabama get out and vote for Luther Strange – he has proven to me that he will never let you down! #MAGA.”
Yet Mr Strange faces a very tough task. An aggregate of polls collated by Real Clear Politics suggest he is trailing his opponent, retired judge Roy Moore, by 11 points.
Mr Strange held an eve of election rally in Birmingham in the company of Vice President Mike Pence, who went out of his way to stress the candidate’s conservative bona fides.
“Luther Strange is a real conservative. He’s a leader and a real friend to President Trump. I got to tell you, Big Luther has been making a big difference in Washington,” said Mr Pence, according to the Associated Press.
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Mr Srange said: “Tomorrow, there’s a lot on the line. For the Vice President and the President and of the United States to come here on my behalf means more than I can possibly say.”
Mr Moore faces a fired-up insurgent challenge from a candidate who has sought to portray him as someone who will become a Washington insider rather than working for the people who elected him. He has received the support of Mr Trump’s ousted strategic adviser Steve Bannon, former vice presidential candidate Sarah Palin, Chuck Norris, Nigel Farage and Rush Limbaugh, among others.
At a rally for Mr Moore at a farm outside of Mobile in the south of Alabama, many people who voted for Mr Trump said they were disappointed he was supporting Mr Strange rather than the judge.
Debbie Giles, said she she did not think Mr Strange would stand up for the issues that were important to her – primarily the freedom of religion. “I think Mr Trump was wrong this…