Operation London Bridge - the code name for when the Queen dies - has been meticulously planned for by the government for decades. Ever since 2017, the phrase “London Bridge has fallen” will be used to signify to the Prime Minister that the Queen has passed away and will be passed along to other key people to prepare for her funeral.
The plans are coordinated through a number of government and non-government organisations, such as the Church of England, the Metropolitan Police and the Armed Forces.
The plan is thought to be as follows: