Primary voters in Ohio selected congressional candidates on Tuesday as well as the Democratic and Republican contenders to succeed Gov. John Kasich, a Republican.

Read more

Ohio is one of the archetypal swing states in presidential elections, but Republicans have dominated state politics for three decades and held the office of governor for 24 of the last 28 years.

For Democrats, the primary has been seen as a proxy battle between two liberal titans: Senator Bernie Sanders, whose allies supported Dennis Kucinich, a former congressman, and Senator Elizabeth Warren, who endorsed Richard Cordray, a former state attorney general.

Here’s what to watch for in Ohio’s primary elections.