Donald Trump, the frontrunner for the Republican US presidential nomination, told his supporters on Saturday to "go into" Philadelphia and two other Democratic-run cities to "guard the vote" in 2024, repeating his unfounded claims of widespread election fraud in 2020 as justification for the call to action. Speaking at two events in Iowa, Mr Trump also sought to counter growing concern among Democrats and some Republicans that his potential return to the White House posed a threat to democracy. Advertisement Even as he faces criminal charges over his efforts to reverse his 2020 loss, Mr Trump attempted to flip the...