According to French media reports, the Hebdo suspects, two brothers have been killed and their hostage freed.
The two suspects in the Charlie Hebdo massacre are reported to have been killed in Dammartin-en-Goele. Meanwhile, their hostage has been freed, as have the hostages being held in a grocery store in Paris, according to RT
Several loud blasts have been heard and smoke has been rising over the printworks in the industrial zone north east of Paris
Security forces had the building surrounded for most of Friday before the explosions happened.
The National Gendarmerie Intervention Group (GIGN), a special operations unit of the French Armed Forces, launched the assault, reported Le Figaro.
SkyNews reports: Several ambulances have been seen travelling at speed in the area of the factory complex following the explosions, close to the outskirts of Paris and near to Charles De Gaulle airport.
The two terror suspects had been surrounded at the print works for several hours.
They took refuge in the building with a hostage after being forced off the road into Paris by a police roadblock.