AFP ISIS supporters are gloating about the sickening attacks

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At least 127 people are said to have been slaughtered in the French capital in a series of co-ordinated attacks last night. ISIS issued a statement this morning claiming responsiblity for the barbaric act, saying it was in response to airstrikes against militants in Syria and Iraq and insults to Islam's prophet. In a statement, the warped group also warned that France would remain one of its top targets.

They said terrorists allied to the extremist network and strapped with explosive belts and carrying machine guns were sent to carry out the attacks. The claim was made in both Arabic and French and was released online on Saturday before being circulated by supporters of the group. It bore the group's logo and resembled previous statements issued by the group although it has not yet been independently verified. 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. The attacks came just hours after British ISIS butcher Jihadi John was said to have been killed by a US drone strike in Syria.

AFP The attacks came hours after reports of Jihadi John's death

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 even boasted London, Rome and Washington DC would hit by the next horror attacks.

AFP The bombings and shootings have stunned the world

But some social media users used the hashtag to share their sympathy with those hurt and killed in the attacks. Cameron Dylong said: "Prayers up to Paris right now." And Armani Bradley wrote: "Disgusting how ISIS Twitter accounts are hashtagging 'Paris is burning'. Celebrating the deaths of innocent people, what a vile world we live in."

In January, ISIS praised two gunmen who killed 12 people at the Paris offices of the satirical magazine Charlie Hebdo. The terror group called them "heroic jihadists", according to the Site Intelligence Group. In June, a suspected Islamist decapitated a man in a gas factory in the south-eastern city of Lyon. Two months later three tourists overpowered a heavily armed gunman linked to ISIS on a Paris-bound train.