US President-elect Joe Biden has delivered a forceful rebuke to President Donald Trump's attacks on the legitimacy of his victory, hours after winning the state-by-state electoral college vote that officially determines the US presidency. ’In this battle for the soul of America, democracy prevailed,’ Biden said in a prime-time speech from his hometown of Wilmington, Delaware. ‘The flame of democracy was lit in this nation a long time ago,' Biden said. ‘We now know that not even a pandemic or an abuse of power can extinguish that flame.’ Monday's vote, typically a formality, assumed outsized significance in light of Trump's extraordinary effort to subvert the process due to what he has falsely alleged was widespread voter fraud in the 3 November election. ’Now it's time to turn the page, as we've done throughout our history – to unite, to heal,’ Biden concluded.