New Delhi, April 28 -- King Charles III and Queen Camilla have begun a four-day state visit to the United States from April 27 to 30, marking America's 250th anniversary with engagements across Washington DC, New York and Virginia.

The visit includes high-level diplomatic meetings, ceremonial honours and cultural engagements, and is being closely watched as a key moment in UK-US relations.

The royal couple arrived in Washington, DC, where they will be welcomed by US President Donald Trump and First Lady Melania Trump during a private tea at the White House.

The day also includes a White House tour, marking the formal start of the state visit.

The second day begins with a full state arrival ceremony on the South Lawn, including militar...