UPDATE 14:30

Prince Harry and Meghan Markle have been declared husband and wife, following a ceremony at Windsor Castle, writes BBC

The couple exchanged vows and rings before the Queen and 600 guests at St George's Chapel.

Wearing a dress by British designer Clare Waight Keller, Ms Markle was met by Prince Charles, who walked her down the aisle.

The wedding between Prince Harry and Meghan Markle is under way at Windsor Castle,. 

Ms Markle has 10 bridesmaids and pageboys - including Prince George and Princess Charlotte .

Wearing a dress by British designer Clare Waight Keller, Ms Markle was met by Prince Charles, who walked her down the aisle.

Among the 600 guests are Oprah Winfrey, George and Amal Clooney, David and Victoria Beckham and Sir Elton John.

Prince Harry has been made the Duke of Sussex by the Queen, with Ms Markle becoming the Duchess of Sussex.