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Thibault Camus, Associated Press
French Interior Minister Bernard Cazeneuve, center left, and Paris' mayor Anne Hidalgo, center right, arrive at the French satirical newspaper Charlie Hebdo's office, in Paris, Wednesday, Jan. 7, 2015. Masked gunmen stormed the offices of a French satirical newspaper Wednesday, killing at least 11 people before escaping, police and a witness said. The weekly has previously drawn condemnation from Muslims.

A gun assault on the Paris offices of satirical magazine Charlie Hebdo Wednesday was the deadliest terrorist attack in France for half a century. Some other terror attacks in Western Europe:

March 11, 2004: Bombs on rush-hour trains kill 191 at Madrid's Atocha station in Europe's worst Islamic terror attack.

July 25, 1995: A bomb at the Saint-Michel subway station in Paris kills eight people and injures some 150. It was one of a series of bombings claimed by Algeria's GIA, or Armed Islamic Group.

July 22, 2011: Anti-Muslim extremist Anders Behring Breivik plants a bomb in Oslo then attacks a youth camp on Norway's Utoya island, killing 77 people, many of them teenagers.

July 7, 2005: 52 commuters are killed when four al Qaida-inspired suicide bombers blow themselves up on three London subway trains and a bus.

Aug 15, 1998: A car bomb planted by Irish Republican Army dissidents kills 29 people in the town of Omagh, in the deadliest incident of Northern Ireland's four-decade conflict.

March 2012: A gunman claiming links to al-Qaida kills three Jewish schoolchildren, a rabbi and three paratroopers in Toulouse, southern France.

May 24, 2014: Four people are killed at the Jewish Museum in Brussels by an intruder with a Kalashnikov. The accused is a former French fighter linked to the Islamic State group in Syria.

May 22, 2013: Two al-Qaida inspired extremists run down British soldier Lee Rigby in a London street, then stab and hack him to death.

Nov 2, 2011: Offices of Charlie Hebdo in Paris are firebombed after the satirical magazine runs a cover featuring a caricature of the Prophet Muhammad. No one is injured.