Boris Johnson is to launch London's Poppy Day by taking part in a tug of war against members of the armed forces.
Now in its 10th year the Poppy Day has raised over £3.8 million for the Royal British Legion and other service charities.
The Mayor's tug of war gets underway at 9 o'clock this morning near City Hall.
He'll hope not to repeat his most recent sporting appearance, where he rugby tackled a child during a visit to Japan.
The Duke of Edinburgh has attended a special ceremony in Belgium to mark Armistice Day.
He laid a poppy wreath in Ypres - the scene of deadly battles during the First World War - to commemorate fallen members of the armed forces.
Bags of soil collected by Belgian pupils from the battlefields of Flanders are being brought to London to be placed in a memorial garden next year.
ITV News' Royal correspondent Tim Ewart reports.
As London prepares to remember the war dead this Sunday, it's also worth thinking about those still living with the impact of conflict. In Camden, an NHS clinic offers a unique service to help veterans cope with post traumatic and combat stress.
For former military personnel it can be a life saver - especially as this time of remembrance can bring back difficult memories of the front line. Ruth Banks went to see the work they do.
With just 2 days to go until Remembrance Sunday, The Queen has opened the new headquarters of an armed forces charity in London.
The SAFA,** **formerly the Soldiers' and Sailors' Families Associations, provides help and support to members of the armed forces and their families.
Today the Queen, accompanied by the Duke of Edinburgh, unveiled a plaque to mark 60 years of her support for the charity.
The Queen officially opened the new headquarters of the armed forces charity SSAFA in London.
After meeting various charity beneficiaries, volunteers and staff, she was given a posy by six-year-old Harley Inns, whose brother, Rifleman Martin Kinggett, was killed in Afghanistan in 2010.
The Queen was greeted by her cousin, Prince Michael of Kent, who is the charity's president.
Dignitaries and war veterans have been at City Hall for it'sannual remembrance service.
Mayor Boris Johnson was among those who laid wreaths to rememberthe capital's war dead.
The Duke of Edinburgh has jokingly advised a double amputee soldier to put some wheels on his prosthetic legs.
Prince Philip made the quip as he and the Queen officially opened the new headquarters of the armed forces charity SSAFA in London.
Trooper Cayle Royce, who lost both legs in a bomb blast in Afghanistan last year, said the Duke "told me I should lose the feet and put some wheels on my prosthetics. He said it will be easier to get around."
The 27-year-old South African added that Philip was "my hero...He's just a great person - really comedy."
The Duke and Duchess of Cambridge helped turn the capital Poppy Red today, as they took part in a huge fundraiser for the Royal British Legion. As part of London Poppy Day they made a visit to High Street Kensington Tube Station, much to the surprise of commuters.
It was part of a city wide appeal that included thousands of uniformed personnel, veterans and supporters, taking to the streets to try to raise one million pounds for the Poppy Appeal.Toby Sadler was watching the day's events.
To donate head to the Royal British Legion's website.
The Duke of Edinburgh and Prince Harry carried out their first joint engagement as they opened the Field of Remembrance at Westminster Abbey.The first Field of Remembrance was held in the grounds of Westminster Abbey in November 1928, making 2013 the 85th year.
Remembrance crosses are provided so that ex-servicemen and women, as well as members of the public, can plant a cross in memory of their fallen comrades and loved ones.
Organised and run by the Poppy Factory, the Field is opened for 11 days each year, from the Thursday preceding Remembrance Sunday through to the following Sunday