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 support of Alice Weidel's party has already triggered an outcry in Germany, as the country gears for a general election. DW provides live fact-checking, explainers and reactions.

Before Musk interviewed Trump last August, Breton urged him to comply with EU law as the livestream would be accessible in the EU. X CEO Linda Yaccarino called the letter an "unprecedented attempt to stretch a law intended to apply in Europe to political activities in the US".