Elon Musk has become “sole director” of Twitter after finalising his $44bn (£38bn) takeover of the company, according to documents filed with the US Securities and Exchange Commission (SEC) on Monday.

"The following persons, who were directors of Twitter prior to the effective time of the merger, are no longer directors of Twitter: Bret Taylor, Parag Agrawal, Omid Kordestani, David Rosenblatt, Martha Lane Fox, Patrick Pichette, Egon Durban, Fei-Fei Li and Mimi Alemayehou," Musk said in the filing.

He later tweeted: “the bird is freed”.

Shortly afterwards, Musk tweeted that the move to dissolve the board "is just temporary," without elaborating. A separate SEC filing showed that Saudi Prince Alwaleed bin Talal had become Twitter’s second-largest shareholder.

The announcement puts the world’s richest person in charge of one of the most influential...