Former Vice President Joe Biden Joseph (Joe) Robinette BidenWoman to undecided Biden: 'Just say yes' to 2020 bid Poll shows Biden leads Democrats vying for 2020 nomination The Hill's Morning Report - Dems appear to have votes to counter Trump on emergency MORE congratulated Democrat Doug Jones for his win in the Alabama Senate race.

“Doug Jones. Thank you, Alabama. You’ve elected a man of incredible integrity, grit, and character,” Biden tweeted.

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“A fighter for working class and middle class Alabamians. He is going to make you proud in the Senate.”

Doug Jones. Thank you, Alabama. You’ve elected a man of incredible integrity, grit, and character. A fighter for working class and middle class Alabamians. He is going to make you proud in the Senate. — Joe Biden (@JoeBiden) December 13, 2017

Jones upset GOP candidate Roy Moore in the race to fill Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsFormer Trump refugee director did not notify superiors about family separation warnings Court rejects challenge to Mueller's appointment Trump says he hasn't spoken to Barr about Mueller report MORE’s Senate seat on Tuesday.

Biden campaigned for Jones in Alabama and recorded a robocall for Jones in the final days of the campaign.