A woman carries a French flag during a ceremony in Paris on Friday honoring those killed in the Nov. 13 attacks. French President Francois Hollande has encouraged the French people to display flags, something they don't often do. Thibault Camus/AP hide caption
French President Francois Hollande delivers a speech honoring victims of the Paris attacks during a ceremony at the Invalides in Paris on Friday. The names of each of the 130 people killed in the attacks two weeks ago was read aloud. Francois Mori/AP hide caption
Russian President Vladimir Putin (right) listens to French President Francois Hollande as they leave their news conference in Moscow on Thursday. Alexander Zemlianichenko/AP hide caption
French President François Hollande is accompanied by U.S. Deputy Chief of Protocol Natalie Jones, upon his arrival at Andrews Air Force Base, Md., on Tuesday. Jose Luis Magana/AP hide caption
French Finance Minister Michel Sapin speaks about the financing of militant groups during a news conference Monday at the Bercy Economy and Finance Ministry in Paris. Charles Platiau/Reuters /Landov hide caption
A woman lights a candle at the Place de la Republique in Paris on Friday, marking a week since the terrorist attacks. Pascal Le Segretain/Getty Images hide caption
Firemen leave the building of Wednesday's raid on an apartment in Paris suburb Saint-Denis, Thursday Nov.19, 2015. Christophe Ena/AP hide caption
Tourists wait to visit the Louvre as it reopens in Paris on Monday. As the city tries to recover from Friday's attacks, people who planned to travel there seem to be conflicted about whether to go. Xy Jinquan/Xinhua/Landov hide caption
A French sailor checks a Super-Etendard fighter jet on the deck of France's nuclear-powered aircraft carrier Charles de Gaulle before it leaves its home port of Toulon on Wednesday. France has deployed its aircraft carrier in the eastern Mediterranean to help fight ISIS. Claude Paris/AP hide caption
An Islamic State supporter waves the group's flag in its de facto capital of Raqqa, Syria, in June 2014. The group had focused on building its caliphate, or Islamic empire, in the Middle East. But it has claimed three major attacks recently, leading to a reassessment of the group and its goals. STRINGER/Reuters/Landov hide caption
The famous arch at London's Wembley Stadium was illuminated in the colors of the French flag before the soccer game between England and France. AP hide caption
Parents walk their children to school on Monday near one of the venues attacked in Paris. Kyodo /Landov hide caption
The Rolling Stones perform in June 2014 during a concert at the Stade de France in Saint-Denis, outside Paris. The brother of one of the victims of Friday's terrorist attacks in Paris would like the band to return to the city for his brother's funeral. Eric Feferberg/AFP/Getty Images hide caption
People gather outside Le Carillon, a bistro in Paris' 10th arrondissement that was attacked on Friday. Jerome Delay/AP hide caption