2009 G20 London summit London Summit and to co-ordinate their actions. The meeting was organised at the initiative of German Chancellor Angela Merkel. The leaders agreed that markets, financial institutions and the wide range of financial assets they create, and hedge funds should be subject to appropriate control. In addition, they called for effective sanctions against tax havens. They also agreed to impose sanctions against countries that intend to undermine their work. Finally, they advocated the doubling of funds available to the IMF. Finance ministers and central bankers of the G20 met in Horsham on 14 March 2009 to prepare for the London Summit.
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