Primary elections in Kentucky are serving as a test of former President Donald Trump's continued influence within the Republican Party, with several key races drawing national attention.

Defense Secretary Pete Hegseth appeared at a campaign event Monday to support a Trump-backed challenger running against Rep. Thomas Massie in the Kentucky primary. The event highlights the ongoing divisions within the Republican Party between Trump-aligned candidates and established incumbents.

The Kentucky primary is being viewed as one of several high-stakes elections this week that could provide insight into the future direction of the Republican Party. Political observers are watching these contests to gauge Trump's endorsement power and influence over GOP voters.

The primary results could have implications for the broader Republican Party as it navigates internal divisions and prepares for future elections. Kentucky voters will decide whether to support Trump-endorsed challengers or stick with incumbent representatives.

Other primary elections taking place this week are also being monitored for signs of Trump's political influence and voter sentiment within the party.