On Twitter, they are using the hashtag #prayforparis

ISIS Takes to Twitter, Praises Paris Attack

ISIS supporters have taken to social media to praise the attacks in Paris tonight. On Twitter, they are using the hashtag #prayforparis.

https://twitter.com/azve76/status/665304697452924929

https://twitter.com/azve76/status/665307973414162433

https://twitter.com/aqill41/status/665305470945464320

https://twitter.com/iahmd61/status/665305299910156288