French President Francois Hollande also blamed the Islamic extremist group and called the coordinated assault last night at six different sites an "act of war".
At least eight militants, all wearing suicide vests, brought unprecedented violence to the streets of the French capital in the worst attacks in Europe since the 2004 Madrid train bombings.
In the bloodiest part of a night of violence, four men armed with AK47s and shouting "Allahu akbar" stormed into a rock concert at the Bataclan concert hall in eastern Paris, gunning down at least 82 people and taking dozens hostage.
The gunmen were heard raging at Hollande and his decision in September to begin air strikes on Islamic State jihadists in Syria.
"I clearly heard them say 'It's the fault of Hollande, it's the fault of your president, he should not have intervened in Syria'," Janaszak added.
French officials have spoken frequently of their fears that hundreds of French citizens thought to be fighting with IS in Syria and Iraq would return to France and launch attacks.
In a statement issued online this morning, Islamic State said that "eight brothers wearing explosive belts and carrying assault rifles" conducted a "blessed attack on... Crusader France."
The death toll of 128 does not include the eight attackers, the first suicide bombers to strike in France.
The assault also left at least 250 wounded, 100 of them seriously.
Hollande said the multiple attacks across Paris were "an act of war... Committed by a terrorist army, Daesh, against France", using another term for IS.
Another disaster was narrowly averted in August when a gunman was overpowered on a packed high-speed train in northern France.
No arrests had been made by early this morning and the country was in a state of emergency, decreed by Hollande last night.
Police were screening hours of CCTV footage of the attack sites and were attempting to identify the body parts of the attackers.
