evidence: - President-elect Joe Biden described the violence as "one of the darkest days in the history of our nation" and blamed President Trump for stoking violence. He added it was "totally unacceptable" police had shown more leniency than in Black Lives Matter protests last year - Former First Lady Michelle Obama said Wednesday's events "desecrated the centre of American government", adding: "Millions voted for a man so obviously willing to burn down our democracy for his own ego"