President Donald Trump's endorsed candidates have secured several primary victories in Indiana, with several of them defeating incumbent Republican state senators who had broken with him over a redistricting vote. The targeted incumbents were among 21 Republican state lawmakers who voted against a proposal that would have redrawn Indiana's congressional map in a way that would benefit Republicans. By late Tuesday, most of these incumbents had been unseated. The races saw high levels of spending on advertising, with at least $13 million of this spending, a significant increase compared to previous cycles. The results were celebrated by supporters as a sign of Trump's popularity among Republican voters.