In this file illustration photo taken on October 04, 2022, a phone screen displays a photo of Elon Musk with the Twitter logo shown in the background in Washington, DC.

Elon Musk's Twitter 'bird will fly by EU rules,' Brussels warns after billionaire takes control

EU commissioner Thierry Breton issued the warning after Musk sealed the $44 billion deal and fired Twitter CEO Parag Agrawal and two other executives.