US news: Suspect in DC gala shooting to appear in court

A suspect in the shooting at the White House Correspondents' Dinner is set to be formally charged in court. Plus, Britain's King Charles III is headed to the US after a security review cleared the planned trip.

• A 31-year-old suspect in the shooting at the Washington, DC, media event, where President Donald Trump was present, is set to appear before court 
• The suspect has not been publicly identified yet, but is believed to be a man from California who traveled to Washington, DC
• Britain's King Charles III and Queen Camilla are headed to the US on a four-day state visit
• Sam Altman and Elon Musk are headed to court in a high-stakes showdown over artificial intelligence

Follow our live coverage of the many different strands of news dominating headlines in the United States on April 27: