2009 G20 London summit a force for good in the medium term." Leaders of the member countries began to prepare for the London Summit months before the effective date, notably with two official meetings dedicated to that preparation, one held in Berlin, Germany, on 22 February 2009 for European leaders, and another in Horsham, Sussex, United Kingdom, on 14 March 2009 for Finance Ministers. Leaders of the four European Union member countries of the G20, the United Kingdom, Germany, France and Italy along with the two largest European non-members, Spain and the Netherlands, met in Berlin on 22 February 2009 to prepare for the
2009 G20 London summit Metropolitan Police, the City of London Police, British Transport Police and the forces of Essex Police, Sussex Police and Bedfordshire Police. Furthermore, some units from the Ministry of Defence Police have been used. It is the highest security expenditure in British history. In June 2013 "The Guardian" revealed that the intelligence agency of the British government, Government Communications Headquarters (GCHQ) spied on foreign politicians visiting the summit by intercepting phonecalls, emails and monitoring computers, in some cases even ongoing after the summit via keyloggers that had been installed during the summit. The summit became the focus of protests from a