This live blog is now closed.

• Sign up for the Breaking News US email

• US voters: tell us what issues will decide your vote?

Speaking to reporters on the tarmac before departing for a campaign event in Michigan, JD Vance responded to a question about President Trump’s remarks branding Democratic Senate candidate Abdul El-Sayed as a “jihadist.”

Vance, who has sparred with the progressive El-Sayed repeatedly on the campaign trail, took a somewhat softer tone. But he didn’t walk away from Trump’s remarks.

Social media companies including Meta have pulled back on efforts to protect voters from election-meddling lies

Social media feeds are awash with an unprecedented flood of AI-driven disinformation ahead of November’s US midterm elections, according to experts, who warn many posts are probably “slipping through the cracks”.

As tens of millions of Americans prepare to cast their vote, social media companies have scaled back their efforts to protect voters from lies meant to manipulate elections.