Donald Trump, the former US president and front-runner for the 2024 Republican nomination, is appearing in court today to be fingerprinted, photographed and formally charged in a watershed moment ahead of next year's presidential election. Trump, 76, is the first sitting or former president to face criminal charges. He was indicted by a Manhattan grand jury last week in a case stemming from a 2016 hush-money payment to porn star Stormy Daniels, though the specific charges have yet to be disclosed. Trump has said he is innocent and is due to plead not guilty.