The Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to cost more than 1billion euros, it has been reported. EPA/ANDY RAIN
The Royal Marines and Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/ANDY RAIN
The Royal Navy helicopter performs a security exercise along the Thames for the 2012 Olympic Games in London London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to cost more than 1billion euros, it has been reported. EPA/ANDY RAIN
Members of Royal Marines in action during a combined operational exercise with The Metropolitan Police Marine for London 2012 Olympic Games security rehearsal on Thames River in London, Britain, on 19 January2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/KERIM OKTEN
The Royal Marines perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/ANDY RAIN
The Royal Marines and Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/ANDY RAIN
The Royal Marines and Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/ANDY RAIN
A helicopter hovers over a tourist boat during a Security Exercise for the Royal Marines and Metropolitan Police for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/ANDY RAIN
The Royal Marines and Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/KERIM OKTEN
The Royal Marines and Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/KERIM OKTEN
The Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/ANDY RAIN
The Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/ANDY RAIN
The Royal Marines and Metropolitan Police perform a security exercise along the Thames for the 2012 Olympic Games in London, Britain, 19 January 2012. The costs of security for the 2012 London Olympic Games is estimated to reach more than 1 billion euros, it has been reported. EPA/KERIM OKTEN
