By Fabiana Repaci
with contributions from Lorelei Marfil
 on July 15, 2016
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People are taking to social media to express their sympathy for the victims and outrage over the attack that caused at least 84 dead and dozens injured in Nice, France, on Thursday night.

French authorities have asked for people to avoid posting strong images and spreading inaccurate information online.

The hashtag #PortesOuvertesNice has been used to offer and seek shelter for those in the immediate surroundings. Cabs are also offering free service to those in need of leaving the area of the Promenade des Anglais, where the attack took place. The hashtag #Nice06 refers to the district in Nice where the tragedy occurred.

Social-media users hoping to find missing persons are also posting under the hashtag #RechercheNice, together with pictures and brief descriptions of people missing. Facebook has activated its “Safety Check” to allow users in the area to let their contacts know they are unharmed.

Google published a Google Now card with official updates from the French government for people in and around Nice and they made calls free to France from anywhere in the world where its services (Hangouts, Google Voice and Project Fi) are supported: “To all those affected by the attack in Nice, you’re in our thoughts. Additionally, ​we’ve published a Google Now card with critical updates from French authorities, and we’ll continue to update it as information becomes available. To help people stay informed and connected with their loved ones, we’re making calls to France from Hangouts, Google Voice and Project Fi free — from anywhere in the world those services are supported.”

The attack happened on Thursday evening around 10:30 p.m., when a large truck crashed into a crowd of spectators on the Promenade des Anglais who were gathered to watch the fireworks to mark France’s day of independence, Bastille Day.

Singer Rihanna was in town during the attack. She had a concert scheduled for today but canceled it last night. “Due to the tragic events in #Nice, my concert scheduled for tomorrow July 15 at Allianz Stadium will not be going ahead as planned. Our thoughts are with the victims and their families,” she posted on her Instagram account.

The fashion crowd is also turning to social media to express grief over the attack. Tommy Hilfiger wrote: “Our thoughts & love go to everyone affected by senseless tragedies. Love and kindness above all. #PrayForTheWorld.”

Diane von Furstenberg wrote: “My heart is sad and I pray for France! Love, Diane.” While Barneys New York posted an image of the French flag with the words: “Today, our heart breaks. We stand with France. We stand for peace.”

Today, our heart breaks. We stand with France. We stand for peace.

A photo posted by Barneys New York (@barneysny) on Jul 14, 2016 at 7:43pm PDT

Nicolas Ghesquiere, Carine Roitfeld, Jeremy Scott, Josie Natori, Brian Atwood, Mary Katrantzou and Christian Louboutin were among others who posted tributes on Twitter and Instagram.