Americans are braced for civil unrest amid scary predictions of 'blood' during Tuesday's knife-edge presidential election, reviving painful memories of recent assassination bids and chaos after the 2020 vote.
Businesses in Washington DC were on Monday boarding up their windows as security fencing went up around the White House, US Vice President Harris's residence, and other key buildings in the capital.
Fights have broken out at polling stations and election workers have prepared for gun attacks, amid a flurry of threats to blow up political offices and other sensitive sites ahead of election day.
