An MP has been "held hostage" at Buckingham Palace in a tradition of the State Opening of Parliament, which goes back to a time when relations between the monarch and Parliament were less than friendly.
The MP, Vice Chamberlain Desmond Swayne, will be released on the Queen's safe return to the Palace from Parliament.
Traditionally an MP is 'held hostage' at Buckingham Palace til the Queen returns. Today it's Vice Chamberlain Desmond Swayne #QueensSpeech
A loud thud could be heard in the House of Lords as the child fainted at around eight minutes and 53 seconds into the Queen's Speech.
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The new Diamond Jubilee state coach will be used for the first time by Queen Elizabeth II during the state opening of Parliament tomorrow.