Armed police operate in Saint-Denis, a northern suburb of Paris, Wednesday, Nov. 18, 2015. (AP Photo/Francois Mori)
Police forces operate in Saint-Denis, a northern suburb of Paris, Wednesday, Nov. 18, 2015. (AP Photo/Francois Mori)
Hooded police officers walk in a street of Saint-Denis, near Paris, Wednesday, Nov. 18, 2015. (AP Photo/Peter Dejong)
This undated image taken from a Militant Website on Monday, Nov.16, 2015, shows Belgian Abdelhamid Abaaoud. (Militant video via AP)
Police officers take up positions in Saint Denis, a northern suburb of Paris, Wednesday, Nov. 18, 2015. (AP Photo/Thibault Camus)
Residents are evacuated by the police in Saint Denis, north of Paris, France, Wednesday, Nov. 18, 2015. (AP Photo/Thibault Camus)
Police officers take up positions in Saint Denis, a northern suburb of Paris, Wednesday, Nov. 18, 2015. (AP Photo/Thibault Camus)
This undated image made available in the Islamic State's English-language magazine Dabiq, shows Belgian Abdelhamid Abaaoud. (Militant photo via AP)
Soldiers operate in Saint-Denis, a northern suburb of Paris, Wednesday, Nov. 18, 2015. (AP Photo/Francois Mori)
A resident is being searched by police officers in Paris suburb Saint-Denis, Wednesday, Nov. 18, 2015. (AP Photo/Peter Dejong)