A major offensive by Iraqi forces to retake Ramadi was launched just over a week ago . ISIS forces are retreating toward the center of Ramadi . ISIS has launched a major assault on the city of Tikrit , an official says .
A major offensive by Iraqi forces to retake Tikrit was launched just over a week ago . ISIS forces are retreating toward the center of Tikrit . ISIS has launched a major assault on the city of Ramadi , an official says .