Puerto Rico primary
Puerto Rico held its Democratic primary on Sunday.
Puerto Rico held its Democratic presidential primary on July 12, with 51 delegates up for grabs. ABC News projects that former Vice President Joe Biden has won.
The contest was postponed twice, first from March 29 and then from April 26.
Territory significance
Puerto Rico has been a U.S. territory since 1917, and while voters in the territory vote in the primary process for the Democratic and Republican conventions, they do not vote in presidential elections.
In 2016, Hillary Clinton won the territory's primary with 62% of the vote over Bernie Sanders’ 38%.