Mounted police officers patrol in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is bracing for protests before and during the G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
A Metropolitan police officer stands guard at the area where a suspect package was found in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is undergoing heavy police scrutiny as it braces for protests before and during Thursday's G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
Police tape cordons off the area where a suspect package was found in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is undergoing heavy police scrutiny as it braces for protests before and during Thursday's G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
A Metropolitan police officer holding police tape stands guard at the area where a suspect package was found in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is undergoing heavy police scrutiny as it braces for protests before and during Thursday's G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
Police tape cordons off the area where a suspect package was found in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is undergoing heavy police scrutiny as it braces for protests before and during Thursday's G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
Police tape cordons off the area where a suspect package was found in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is undergoing heavy police scrutiny as it braces for protests before and during Thursday's G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
Council workmen remove bins and other potential projectiles from the pavement in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is bracing for protests before and during Thursday's G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
City workers walk past boarded up buildings near the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is bracing for protests before and during the G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
Council workmen remove bins and other potential projectiles from the pavement in front of the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is bracing for protests before and during the G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
City workers walk past boarded up buildings near the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is bracing for protests before and during the G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
City workers walk past boarded up buildings near the The Bank of England in London, England, 31 March 2009. The City, London's financial district, is bracing for protests before and during Thursday's G20 summit which will host world leaders at the ExCel center to tackle key issues as the current global financial crisis. EPA/IAN LANGSDON
Police officers guard the entry area to ExCel conference centre in London, Britain, 31 March 2009. The ExCel centre will host the G20 Summit on 02 April 2009. EPA/TIM BRAKEMEIER
Two policemen pictured at ExCel conference centre in London, United Kingdom, 31 March 2009. The ExCel centre will host the G20 Summit on 02 April 2009. EPA/TIM BRAKEMEIER
A police rubber dinghy pictured on Thames rives near ExCel conference centre in London, Britain, 31 March 2009. The ExCel centre will host the G20 Summit on 02 April 2009. EPA/TIM BRAKEMEIER
A police car parks at the entry araw to ExCel conference centre in London, Britain, 31 March 2009. The ExCel centre will host the G20 Summit on 02 April 2009. EPA/TIM BRAKEMEIER
