There are 136 pledged delegates at stake in Ohio when the crucial midwestern general election battleground state holds Democratic presidential primary elections on Tuesday, along Florida, Illinois and Arizona. Ohio allows for open primaries, meaning a voter doesn’t have to register with a particular political party to vote in its primary. Voters select the ballot of the party whose primary they wish to vote in when they arrive at the polling location. THE LATEST FROM FOX NEWS ON THE 2020 PRESIDENTIAL CAMPAIGNPolls on presidential primary day in the Buckeye State open at 6:30 a.m. Here’s a look at recent past winners.

Source: Fox News March 13, 2020 18:45 UTC