John Fetterman

The five statewide primaries once again tested former President Donald Trump's influence on the Republican side — with mixed results. Here's what we learned on Tuesday.

Pennsylvania has an open Senate seat for the first time in 12 years. While the Democratic race was easily decided, the Republican primary looked like it's headed for a recount.

Five states hold primaries Tuesday. The top race is in Pennsylvania, where the GOP Senate primary will be another test of Trump's influence, while Democratic voters seem to favor John Fetterman.

This month's primaries and runoffs will serve as a test of the power of former President Donald Trump's endorsements up and down the ballot.

Though more Republican-held seats are up for grabs in November, Democratic struggles mean the GOP has improved its likelihood to take control of the Senate. Here are the key contests to watch.

Lt. Gov. John Fetterman, whose image is that of the anti-politician, is the early front-runner in the Democratic primary for the state's open seat. Conor Lamb and Malcolm Kenyatta are top challengers.