U.S. President Donald Trump says he will seek to reverse European Union antitrust and Digital Markets Act fines imposed on major US technology companies and has threatened “substantial” tariffs in retaliation. The latest trigger is an EU fine reported as €890 million (about $1 billion) against Google announced after a European Commission decision tied to the Digital Markets Act. Sources describe the fine as including charges related to favouring Google services in search results and restrictions on how businesses can direct users on Google Play.

Trump makes the threat in a social media post, accusing the EU of “robbing” American companies and taxpayers and arguing the penalties are unfair or illegal. Multiple outlets also note the EU has levied other significant penalties in recent years against companies including Apple, Meta, and Amazon.

Separately, at least one outlet reports Trump’s administration plans to launch a trade investigation that could lead to tariffs, while references to prior US tariff threats and possible action by the Office of the US Trade Representative appear in broader coverage. The threat is directed at the EU specifically, tied to enforcement decisions affecting US tech firms.