People observe a national moment of silence on Monday, July 18, in Nice near where a truck mowed through crowds on the Promenade des Anglais during Bastille Day celebrations. France is holding a national moment of silence to honor the 84 victims killed in the truck rampage.
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French President Francois Hollande, right, and Interior Minister Bernard Cazeneuve take part in the observation of a minute's silence on July 18 at the Interior Ministry in Paris.
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A ceremony is held at the Hotel de Beauvau at the French Interior Ministry to observe a moment's silence to honor those killed in the truck attack.
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People gather at a makeshift memorial on the Promenade des Anglais in Nice on Sunday, July 17. ISIS has claimed responsibility for the truck rampage, but the French interior minister said that any link between the attacker -- Mohamed Lahouaiej-Bouhlel -- and the terror group has yet to be established.
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A man takes in a tribute to the Nice victims left on a bench near the site of the attack on the Promenade des Anglais on July 17.
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A woman attends a vigil in Sydney on Friday, July 15.
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French Republican guards place the French flag at half-staff at the Elysee Palace in Paris on July 15.
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Taiwan skyscraper Taipei 101 is lit in the colors of the French flag on July 15.
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People react at the scene of the terror attack on Nice's Promenade des Anglais on July 15.
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People sing the French national anthem at a July 15 vigil in Sydney.
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The town hall in Adelaide, Australia, is lit up in the colors of the French flag.
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Indian children in Ahmadabad attend a prayer ceremony.
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Flowers outside the French Embassy in Moscow commemorate the attack victims.
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Security personnel stand guard near Nice's Promenade des Anglais.
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A man near the French Embassy at Paris square in Berlin pays tribute to the victims.
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Russian Foreign Minister Sergei Lavrov and U.S. Secretary of State John Kerry lay flowers outside the French Embassy in Moscow.
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A woman places flowers outside the French Embassy in London.
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A woman signs a condolence book in front of the French Embassy in Bucharest, Romania.
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People gather near the site of the Nice terrorist attack.
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A pupil holds a white rose on the premises of the Paula Fuerst comprehensive school in Berlin, Germany.
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The French and European Union flags fly at half-staff in front of the European Parliament building in Strasbourg, France.
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The Effiel Tower is illuminates in the colors of French national flag to pay tribute to the victims of the Nice terrorist attack France on July 15
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A boy is comforted as people gather and lay tributes on the Promenade des Anglais on Saturday, July 16 in Nice, France.
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People gather and lay tributes on the Promenade des Anglais on July 16, 2016 in Nice, France.
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A flower was laid on a blood mark of one of the victims of the deadly Bastille Day attack in the Promenade des Anglais in Nice.