Protester: 'Thatcher funeral cost inappropriate'
17 April 2013 Last updated at 09:41 BST
Crowds are gathering outside St Paul's Cathedral to pay their respects and, in some cases, to register their protest against Britain's longest serving prime minister of modern times.
More than 4,000 police officers are involved in the security operation for Margaret Thatcher's funeral.
Sangita Myska spoke to one protester, who is demonstrating against the cost of the funeral.