[CMB_polarization]

NYT - Sunni Militants Seize Control in Iraqi City of Mosul

[TomGuy]

... the western province of Anbar, where militants have managed to hold territory, including the city of Falluja and parts of neighboring Ramadi, for six months.

IIRC, Falluja was a city that even Saddam Hussein would not go into because it was so violent. US/Allies forces cleaned it out. Now, it sounds as if the infestation is back.