The Bell of Hope gifted in 2002 by a church in London in memory of those killed in the 9/11 terrorist attacks, outside St. Paul's Chapel, the oldest surviving public building in the city, New York City, United States of America, North America

A fireman from the City of New York Fire Department attending a special Service of Remembrance and Commemoration at St Paul's Cathedral today which was held in honour of those who died in the terrorist attacks that struck New York, Washington and Pennsylvania on September 11th 2001.

Armed anti-terrorist security Kingston, Jamaica

Anti-terrorist security at parade of armed forces in Abu Dhabi, United Arab Emirates

Anti-terrorist road barriers to prevent a vehicle attack, Sellafield nuclear power station near Seascale in West Cumbria, England, United Kingdom, Europe

Kings Cross tube station closed due to a terrorist alert, London, England, United Kingdom, Europe

Names of September 11 2001 victims, National September 11 Memorial, World Trade Center, Manhattan, New York City, New York, USA

Names of September 11 2001 victims, National September 11 Memorial, World Trade Center, Manhattan, New York City, New York, USA

Birds sculptures, by Fernando Botero, one destroyed by a bomb on a terrorist attack, San Antonio park, Botero square, Medellín, Colombia

Political caricature, paper-mache Osama Bin Laden bathing in blood, Carnival (Mardi Gras) parade in Duesseldorf, North Rhine-Westphalia, Germany, Europe

Political caricature, paper-mache Osama Bin Laden bathing in blood, Carnival (Mardi Gras) parade in Duesseldorf, North Rhine-Westphalia, Germany, Europe

Provocative figure of a mullah appearing as combattant with sabre and pistol, caricature made of paper mache, monday before lent parade, Duesseldorf, NRW, Germany