Political leaders have shunned the Alternative for Germany. But on his social media platform X, Mr. Musk is pitching the party as mainstream.

Elon Musk's expected hosting of Alice Weidel, leader of the far-right Alternative for Germany (AfD) party, for a discussion on his X platform on Thursday was being watched by the European Commission to check for any spreading of misinformation before next month's German election.

In his latest meddling in European politics, Elon Musk, a fervent ally of US President-Elect Donald Trump, wielded his influence to reaffirm his support of rising far-right party Alternative for