London's City Hall said public viewing areas for the procession of the Queen's coffin from Westminster Abbey to Wellington Arch are full.
A statement on Twitter said: "All procession viewing areas are now full. There is no entry to any new arrivals. Please follow the advice of stewards and police. If you are in the area or about to arrive, use the dedicated walking route to Hyde Park to watch Her Majesty The Queen's state funeral and procession."
Mourners are arriving at Westminster Abbey for the Queen's state funeral, with members of the royal family and world leaders among 2,000 people expected at the ceremony. Crowds of mourners have flocked to London, Windsor and royal sites throughout the UK on the national bank holiday, with the service set to draw millions of TV viewers across the globe.
