A gunman reportedly shouted "it's for Syria" and "Allahu Akbar" – the Arabic for "God is great" – before slaughtering around 100 music fans at a concert hall.
And several ISIS supporters celebrated the horror attacks attacks using the sick hashtag 'ParisIsBurning'.
One said: "God is great and thank God for these lone wolf attacks. At least 100 hostages and countless wounded."
His tweet was sent from the Kuwait port of Mina Abdulla, according to Twitter's location settings.
Another added: "Oh God, burn Paris as you burned the Muslims in Mali, Africa, Iraq, Syria, and Palestine."
Some fans even boasted London, Rome and Washington DC would hit by the next horror attacks.
That's from the daily express