Scotland Yard has said it will use a "range of security measures in line with the current threat level" to ensure safety at Margaret Thatcher's funeral.
Officers will be deployed along the funeral cortege's route as it is driven to St Paul's Cathedral next Wednesday, with road closures in place.
A team of reserve officers will stand by "ready to respond if needed to events anywhere in London", Commander Christine Jones of the Metropolitan Police Service said.
Downing Street has released a detailed Order of Service for Baroness Thatcher's funeral on Wednesday.
The full details of Baroness Thatcher's funeral have been released by Downing Street.
Baroness Thatcher's daughter Carol has spoken publicly to thank everyone who sent messages of sympathy and support.