Police in France have swarmed an area northeast of Paris where the suspects in a deadly newspaper attack are believed to be located and holding at least one hostage.
Live TV reports say police have located the suspects in the town of Dammartin-en-Goele and are currently holding negotiations.
French Interior Minister Bernard Cazeneuve says an operation is under way to "neutralize" the suspects, brothers Cherif and Said Kouachi.
The development comes after police reportedly engaged in a car chase with the Kouachi brothers, in which shots were fired.
Early reports of casualties have since been denied.
The suspects are believed to have taken at least one hostage.
The are suspected of killing 12 people during the January 7 assault on the officeof satirical newspaper Charlie Hebdo in Paris.
The paper had been threatened by the Al-Qaeda militant group for its caricatures of the Muslim Prophet Muhammad.
The victims of the attack included eight journalists and two police officers.
With reporting by AP, Reuters, AFP, BBC, Sky News, CNN, RTL