President Donald Trump holds two rallies in Arizona, where polls show him narrowly trailing Democratic rival Joe Biden, as the White House race heads into its final six days.More than 70 million Americans have already cast ballots, more than half the total turnout of the 2016 election.Biden is tantalizingly close to a prize that has eluded generations of Democratic presidential candidates: Texas.

The election will be decided by about a dozen states that could swing for either Trump or Biden.