Joe Biden has been sworn in as the 46th President of the United States. 

The ceremony took place in a quieter Washington where spectators have been replaced by a sea of flags. 

Kamala Harris has been sworn in as the first female, first black, and first South Asian vice president.

Lady Gaga performed The Star-Spangled Banner after campaigning for Mr Biden.

Joe Biden has taken the Presidential oath of office in the last few minutes.

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