Robert F Kennedy Jr claims he qualifies for ballot in swing state North Carolina

Robert F Kennedy Jr, the independent candidate for the US presidency, said on Monday he has qualified for the ballot in North Carolina – which will be a key state in the November election battle between Joe Biden and Donald Trump.

“We have the field teams, volunteers, legal teams, paid circulators, supporters and strategists ready to get the job done,” said Kennedy’s campaign press secretary, Stefanie Spear.

Kennedy, 70, is an environmental lawyer turned vaccine skeptic and conspiracy theorist who has campaigned with reference to his famous family – his father was the US attorney general and New York senator Robert F Kennedy and his uncle was John F Kennedy, the 35th president.

Kennedy Jr now says he has enough signatures to qualify for the ballot in five states, the others being Utah, New Hampshire, Hawaii and Nevada.

Only Utah has confirmed his place on its ballot.Nevada is also a battleground state, but Kennedy’s ballot access may be in question there, as he secured it before naming his running mate.

That announcement last week saw Nicole Shanahan, a 38-year-old tech lawyer, join the Kennedy ticket.

Polling generally shows Biden and Trump closely matched and Kennedy clear of other candidates outside the major parties, enjoying double-digit support, with the potential to act as a spoiler.

Debate continues about whether Biden or Trump stands to lose most votes to Kennedy. Democrats have historical reason to be fearful, given recent election results.

In 2000, Ralph Nader took votes from Al Gore as the former vice-president was beaten by George W Bush in a contentious, knife-edge election that came down to a legally contested result in Florida. In 2016, Jill Stein showed strongly as Hillary Clinton lost narrowly to Trump in a