A memorial dedicated to those who served in the Afghanistan and Iraq wars has been unveiled by the Queen in central London today. The sculpture, by Paul Day, also marks the contribution made by civilians in the conflicts. It is formed of two stone monoliths and a bronze medallion. <br/><br/>Its unveiling in Victoria Embankment Gardens followed a service for 2,500 veterans on Horse Guards Parade. More than 800 UK military personnel and civilians died in the three wars.