Anonymous has declared war against Islamic State following the deadly terrorist attack that killed at least 129 people on Friday night.
The online group of hacktivists posted a video in which they reportedly stated:
"Anonymous from all over the world will hunt you down. You should know that we will find you and we will not let you go. We will launch the biggest operation ever against you."
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The video is believed to have been published on Friday night but has since been removed.
However, several media reports about the video show one of the group's members wearing a Guy Fawkes mask, addressing viewers in French.
In the video he continues: "Expect massive cyber attacks. War is declared. Get prepared.
"The French people are stronger than you and will come out of this atrocity even stronger."
On Twitter, the group claimed to have shutdown over 3,000 accounts belonging to Isis.
Writing on Pastebin , the site where they also unveiled identities of Ku Klux Klan members earlier this month, Anonymous stated:
We are the collective today we bring you a mass amount of isis twitter accounts for your enjoyment, namaste."
Below their message, they listed hundreds of Isis accounts.
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Victims of the Paris attacks named
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Open Image Modal Lamia Mondeguer
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Open Image Modal Marie Mosser
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Open Image Modal Manu Perez
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Open Image Modal Matthieu Giroud
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Open Image Modal Thomas Duperron
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Open Image Modal Christophe Lelluche
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Open Image Modal Claire Camax
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Open Image Modal Elsa Delplace
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Open Image Modal Romain Didier
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Open Image Modal Romain Dunay
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Open Image Modal Anne Guyomard
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Open Image Modal Fanny Minot
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Open Image Modal Pierro Innocenti
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Open Image Modal Quentin Mourier
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Open Image Modal Précilia Correia
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Open Image Modal Germain Ferey
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Open Image Modal Nicolas Classeau
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Open Image Modal Maxime Bouffard
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Open Image Modal Kheireddine Sahbi
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Open Image Modal Elif Dogan
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Open Image Modal Milko Jozic
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Open Image Modal Marie Lausch
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Open Image Modal Aurélie de Peretti
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Open Image Modal Halima Saadi and Houda Saadi
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Open Image Modal Quentin Boulenger
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Open Image Modal Mathieu Hoche
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Open Image Modal Juan Alberto González Garrido
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Open Image Modal Luis Felipe Zschoche Valle
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Open Image Modal Elodie Breuil
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Open Image Modal François-Xavier Prévost
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Open Image Modal Lola Salines
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Open Image Modal Thomas Ayad
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Open Image Modal Nick Alexander
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Open Image Modal Valentin Ribet
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Open Image Modal Guillaume Decherf
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Open Image Modal Nohemi Gonzalez
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Open Image Modal Cedric Mauduit
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Open Image Modal Asta Diakite
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Open Image Modal Fabrice Dubois
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Open Image Modal Valeria Solesin
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Open Image Modal Djamila Houd
Caroline Prenat (42 of108)
Open Image Modal Eric Thome (43 of108)
Open Image Modal Marie Lausch and Mathias Dymarski, both from Metz (44 of108)
Open Image Modal Précilia Correia (45 of108)
Open Image Modal Mohamed Amine Benmbarek (46 of108)
Open Image Modal (47 of108)
Open Image Modal Maud Serrault
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Open Image Modal Ludovic Boumbas
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Open Image Modal Halima Saadi
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Open Image Modal Houda Saadi
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Open Image Modal Stephane Albertini
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Open Image Modal Armelle Pumir Anticevic
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Open Image Modal Anne-Laure Arruebo
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Open Image Modal Thomas Ayad
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Open Image Modal Chole Boissinot
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Open Image Modal Quentin Boulenger
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Open Image Modal Ciprian Calciu
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Open Image Modal Baptiste Chevreau
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Open Image Modal Véronique Geoffroy de Bourgies
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Open Image Modal Nicolas Degenhardt
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Open Image Modal Alban Denuit
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Open Image Modal Vincent Detoc
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Open Image Modal Manuel Dias
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Open Image Modal Gregory Fosse
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Open Image Modal Cedric Gomet
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Open Image Modal Christophe Foultier
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Open Image Modal Julien Galisson
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Open Image Modal Suzon Garrigues
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Open Image Modal Mayeul Gaubert
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Open Image Modal Pierre-Yves Guyomard
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Open Image Modal Olivier Hauducoeur
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Open Image Modal Frederic Henninot
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Open Image Modal Pierre-Antoine Henry
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Open Image Modal Raphael Hilz
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Open Image Modal Natalie Jardin
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Open Image Modal Hyacinthe Koma
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Open Image Modal Thibault Rousse Lacordaire
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Open Image Modal Gilles Leclerc
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Open Image Modal Guillaume Le Dramp
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Open Image Modal Marion and sister Anna Pétard-Lieffrig
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Open Image Modal Antoine Mary
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Open Image Modal Isabelle Merlin
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Open Image Modal Cecile Misse
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Open Image Modal Victor Munoz
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Open Image Modal Justine Moulin
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Open Image Modal Chritophe Mutez
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Open Image Modal Helene Muyal-Leiris
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Open Image Modal Franck Pitiot
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Open Image Modal Bertrand Navarret
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Open Image Modal Christopher Neuet-Shalter
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Open Image Modal David Perchirin
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Open Image Modal Michelli Gil Jaimez
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Open Image Modal Lacramioara Pop
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Open Image Modal Sebastien Proisy
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Open Image Modal Richard Rammant
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Open Image Modal Estelle Rouat
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Open Image Modal Patricia San Martin Nunez
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Open Image Modal Sven Silva
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Open Image Modal Jean-Jacques Kircheim
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Open Image Modal Fabian Stech
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Open Image Modal Ariane Theiller
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Open Image Modal Olivier Vernadal
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Open Image Modal Luis Felipe Zschoche Valle
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Open Image Modal Marion Jouanneau
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Open Image Modal Lola Ouzounian
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Open Image Modal Emmanuel Bonnet,
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Open Image Modal Yannick Minvielle
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Open Image Modal Thierry Hardouin