Joe Biden has accused Republican Donald Trump, his likely 2024 election opponent, of instigating the January 6, 2021, attacks and plotting revenge on those seeking to punish him, as the president put the future of US democracy at the centre of his bid for re-election. Key points: Mr Biden said Mr Trump "left the dirty work to others" on January 6 Mr Biden said Mr Trump "left the dirty work to others" on January 6 He asked "mainstream Republicans" who cherish US democracy to back him He asked "mainstream Republicans" who cherish US democracy to back him He also criticised...