A postcard and flowers are
left in tribute to victims of Paris attacks outside the French Embassy in London, Britain November 14, 2015. REUTERS/Suzanne Plunkett

Flowers are offered as tribute
to victims of Friday's attacks in Paris, in front of the French embassy in Berlin, Germany, November 14, 2015. REUTERS/Hannibal Hanschke

A man holds a candle
and a drawing depicting the French flag and carrying the words "I am Parisian" in front of the French embassy after attacks in Paris on Friday, in Warsaw, Poland November 14, 2015. REUTERS/Kacper Pempel

Peace for Paris November 13,
2015 'Peace for Paris', Jean Jullien

Bullet impacts are seen in
the window of the Le Carillon restaurant the morning after a series of deadly attacks in Paris , November 14, 2015. REUTERS/Christian Hartman

General view of the scene
where a victim is seen on the sidewalk outside a cafe near the Bataclan concert hall following fatal shootings in Paris, France, November 14, 2015. REUTERS/Christian Hartmann

A rose placed in a
bullet hole in a restaurant window the day after a series of deadly attacks in Paris , November 14, 2015. The note reads "In the Name of What?" REUTERS/Pascal Rossignol

A policeman stands near an
abandoned shoe that was left in the street near the Bataclan concert hall the morning after a series of deadly attacks in Paris, November 14, 2015. REUTERS/Charles Platiau

Abandoned clothes of victims are
out of the Bataclan concert hall the morning after a series of deadly attacks in Paris, November 14, 2015. REUTERS/Charles Platiau

A watch lays on the
ground outside the Bataclan concert hall, Nov. 14, 2015 in Paris. (AP Photo/Christophe Ena)

People hug on the street
near the Bataclan concert hall following fatal attacks in Paris, France, November 14, 2015. REUTERS/Christian Hartmann

Rescue services personnel work near
covered bodies outside a restaurant following a shooting incident in Paris, France, November 13, 2015. REUTERS/Philippe Wojazer

A woman wears the painted
colours of France's national flag on her cheek during a candlelight vigil for the victims of the Paris attacks, in Sydney, Australia, November 14, 2015. REUTERS/Jason Reed

Italian Lower House President Laura
Boldrini lays flowers, in sympathy with the victims of the Paris attacks, in front of the French embassy in Rome, Italy November 14, 2015. REUTERS/Remo Casilli

Ukraine's President Petro Poroshenko kneels
near the French embassy as he commemorates victims of attacks in Paris, in Kiev, Ukraine, November 14, 2015. REUTERS/Valentyn Ogirenko

A woman places a flower,
in sympathy with the victims of the Paris attacks, in front of the French embassy in Rome, Italy November 14, 2015. REUTERS/Remo Casilli

People lay flowers outside the
French embassy in Berlin, Germany, November 14, 2015, after gunmen and bombers attacked restaurants, a concert hall and a sports stadium at locations across Paris on Friday. REUTERS/Hannibal Hanschke

People take pictures of a
makeshift memorial for the victims of the Paris attacks in front of the a French flag in Sydney, Australia, November 14, 2015. REUTERS/Jason Reed

Flowers are offered as tribute
to victims of Friday's attacks in Paris, in front of the French embassy in Berlin, Germany, November 14, 2015. REUTERS/Hannibal Hanschke

A makeshift memorial honoring the
victims of the terror attack in Paris is seen outside the Consulate General of France in San Francisco, California November 13, 2015. REUTERS/Stephen Lam

Flowers and candles are seen
placed outside the Le Carillon restaurant the morning after a series of deadly attacks in Paris , November 14, 2015. REUTERS/Christian Hartman

Flowers are seen placed on
the doorstep of the Le Carillon restaurant the morning after a series of deadly attacks in Paris , November 14, 2015. REUTERS/Christian Hartman

A man places a candle
in front of the Carillon cafe in Paris on Nov. 14, 2015, a day after over 120 people were killed in a series of shooting and explosions. (AP Photo/Jerome Delay)

Candles in the French national
colours are placed at Place de la Republique near the Bataclan concert hall the morning after a series of deadly attacks in Paris , November 14, 2015. REUTERS/Pascal Rossignol

Women cry as they lay
flowers at the French embassy in Moscow. Photograph: TASS/Barcroft Media

People gather in Aotea Square,
in Auckland, New Zealand.. Photograph: Hannah Peters/Getty Images

Frenchman Aurelian Renault holds an
image of the Eiffel Tower as he gathers with others outside Liverpool’s Lime Street train station. Photograph: Paul Ellis/AFP/Getty Images

College students huddle against the
wind to light a peace sign of candles outside the French embassy in Washington, US.. Photograph: Jay Mallin/Zuma Press/Corbis

People light candles and lay
flowers at the French embassy in Warsaw, Poland.. Photograph: Kacper Pempel/Reuters

In Paris, a man grieves
outside the Le Carillon restaurant, one of the venues attacked, on Saturday morning.. Photograph: Christian Hartmann/Reuters

In Agartala, India, children hold
candles and pictures as they pray for the victims.. Photograph: Jayanta Dey/Reuters

Books are seen placed outside
the Le Carillon restaurant the morning after a series of deadly attacks in Paris , November 14, 2015. REUTERS/Christian Hartman

Women comfort each other as
they stand in front of the Carillon cafe, in Paris, Nov.14, 2015. (AP Photo/Thibault Camus)

cast Peace for Paris: November
13, 2015 images and text credit www. Music Edith Piaf - Mon Dieu (My God) created olga.e. Union Square was also the venue for a vigil held to remember those killed in Paris.. Photograph: Zach D Roberts/NurPhoto/Corbis

A tribute is chalked on
the pavement in Union Square, New York.. Photograph: Zach D Roberts/NurPhoto/Corbis end