Indiana's primary will test President Donald Trump's enduring power over the Republican Party as he tries to dislodge state senators who refused to go along with his call to redraw

Seven GOP state senators in Indiana refused Trump’s demands to redistrict last year. Tomorrow, some of them could lose their jobs to Trump-backed primary challengers. State Sen. Rodric Bray led the opposition to those new congressional lines.

President Donald Trump is backing the challengers of Republican state-level lawmakers ahead of the primary election in Indiana after the legislature rejected his redistricted congressional map in December.

Indiana Statehouse incumbents facing Trump-endorsed candidates received some last-minute help from their legislative leaders in the last week.

President Donald Trump launched a multimillion-dollar "revenge campaign" against Indiana Republican state senators who blocked his redistricting efforts last year, but early signs suggest the effort is failing.

President Donald Trump's campaign to politically punish Republicans who stand in his way moves through Indiana on Tuesday, when seven state senators face Trump-backed primary challengers.

Live results from the Indiana Senate races where President Donald Trump made endorsements based on redistricting votes.

Eight incumbent Republican state senators face primary races Tuesday in Indiana after voting against Trump's redistricting push.