WASHINGTON, United States (AFP)—United States (US) President Donald Trump on Friday threatened to hit the European Union with tariffs and a formal trade investigation over Brussels’ latest antitrust penalty against Google.

In a post on his Truth Social platform, Trump said the bloc “will pay a very big price for this illegal and highly unethical conduct, which I have consistently warned them about.”

He said he would “immediately initiate a 301 Investigation” into what he called the EU’s practice of “ROBBING” American companies, and said he anticipated a “substantial TARIFF” on the bloc “at the earliest possible moment.”