The public wants access. The security chiefs need to protect the royals and key government leaders. How do they strike the balance?
London police officers carry out security checks on drains and lamp posts along the Mall ahead of the April 29, 2011, Royal Wedding.Anthony Devlin/Getty Images
London police officers carry out security checks in advance of the Royal Wedding, April 29, 2011.POOL/Reuters
British police officers carry out security checks on the media stand outside the Queen Elizabeth II Centre in central London, prior to the Royal Wedding on April 29, 2011.LEON NEAL/AFP / Getty Images
London police officers carry out security checks on traffic lights along the Mall ahead of the Royal Wedding on April 29, 2011.Anthony Devlin/Getty Images
Similar security issues existed at the G20 summit last June in Toronto. Here, police in riot gear stand on University Avenue at College Street in advance of a protest.Fernando Morales/The Globe and Mail
RCMP Constable Todd Abram and his partner, drug sniffing dog Atos patrol at Vancouver International Airport in Richmond, B.C., just prior to the opening of the 2010 Winter Olympics.DARRYL DYCK/The Canadian Press