File photo: Elon Musk's Twitter page is displayed on the screen of a smartphone with Twitter logo in the background in Los Angeles, July 8, 2022. /CFP

Elon Musk's $44 billion acquisition of Twitter has been formally completed, reported Reuters citing sources.

Earlier, CNBC Reporter David Faber tweeted that "Elon Musk is now in charge at Twitter."

"I'm told former CEO @paraga and CFO @nedsegal have left the company's HQ and will not be returning as the Musk era begins," the reporter tweeted.

Musk has not yet responded on this.