Agency                                            “Democracy has prevailed,” he said after taking the oath of office from Chief Justice John Roberts.Donald Trump – who has not formally conceded the presidency to Mr Biden – snubbed the inauguration ceremony, in a departure from longstanding precedent.

The new president has announced a raft of measures reversing Trump policies.Kamala Harris was sworn in as vice-president ahead of Mr Biden.She is the first woman – and the first black and Asian-American person – to serve in a role, a heartbeat from the presidency.

media captionThe new president took his oath of office with Chief Justice John G Roberts.The inauguration took place at the US Capitol. There is extra-tight security after the building was stormed by violent pro-Trump protesters in a deadly riot on 6 January.

Some 25,000 National Guards are protecting the ceremony, which is missing the traditional hundreds of thousands of spectators because of the coronavirus pandemic.