Armed Iraqi Kurdish peshmerga fighters hold a post in the mountains between the towns of Tuz Khurmatu and Khanaqin, on the border of the Diyala and Sulaimaniya provinces, on November 22, 2012.  (MARWAN IBRAHIM/AFP/Getty Images)

Kurdish forces investigate nascent IS cells

After two battles with IS fighters near Chemchemal, security forces are racing to root out militants setting up insurgent cells within KRG-controlled territory.