• A picture shows the Fourth Bridge over the Tigris River connecting eastern and western Mosul during an ongoing military operation against the Islamic State (IS) group on January 10, 2017.
Iraqi government forces launched a major offensive to recapture Mosul from the Islamic State group on October 17, 2016. Since then, they have retaken many areas in the eastern parts of Iraq's second city, but districts to the west of the Tigris River are still firmly in IS hands. / AFP / Dimitar DILKOFF        (Photo credit should read DIMITAR DILKOFF/AFP/Getty Images)

    ISIS destroys Mosul bridges as troops advance

    By Mohammed Tawfeeq, CNN
    ISIS has destroyed all five bridges crossing the Tigris River in Mosul, an attempt to slow the advance of Iraqi troops toward the western side of the city, according to Lt. Gen. Abdul Amir Rasheed Yarallah, the commander of Iraqi Forces in Nineveh province.