Pete Buttigieg, the first openly gay candidate to seriously contend for the presidency, ended his run Sunday. He called for party unity, but didn’t endorse anyone.

Sen. Bernie Sanders remains the Democrats’ front-runner. But Joe Biden’s trying to build momentum with Pete Buttigieg’s sudden departure.

With 71% of precincts reporting, Mayor Pete Buttigieg becomes the first openly gay candidate to earn presidential primary delegates, and is leading by a small margin. But the results chaos revives criticism of Iowa’s “first-in-the-nation” status.

Mayor Pete Buttigieg woos voters in six rural Iowa counties that voted for Barack Obama in 2012, but flipped to Donald Trump in 2016.