National Republicans are worried about Don Blankenship’s rise less than 24 hours before polls close in the West Virginia Senate race as they fear a replay of Alabama, where former Judge Roy Moore cost the party a seat nearly five months ago.

Blankenship, a multimillionaire coal executive who was recently in prison in connection with a deadly mining accident, has seen his poll numbers rise to where he is in a dead heat with Rep. Evan Jenkins and state Attorney General Patrick Morrisey, a favorite of conservatives.