Millions of American voters will be unable to cast their ballot in this year’s presidential election and those affected will be disproportionately first-time voters and from minority groups, reports Sam Levine

As the November election approaches, Donald Trump is continuing to make stark claims about voter fraud, particularly focused on postal voting. Despite a lack of evidence, many are interpreting the president’s claims as a prelude to his challenging the result should he be defeated. Fears of fraud are also being used by many states to place more hurdles in the way of voters trying to cast their ballots.

The Guardian’s Sam Levine tells Anushka Asthana about the bureaucratic steps required to cast a legal vote in some states and how research shows that they mean the discounting of votes from disproportionately younger and minority voters. He also describes how millions of former prisoners are being denied votes decades after release due to bureaucratic errors or minuscule unpaid fines. He met Alfonzo Tucker, a resident in Alabama, who was struck from the register over a $4 fine and whose son of the same name was also prevented from voting. Meanwhile, there are growing fears of intimidation at the polls, not least following Trump’s performance at the presidential debate in which he failed to denounce white supremacists, telling the rightwing Proud Boys group to “stand back and stand by”.