Iraqi forces have made more gains in west mosul, the largest city still under the control of the Islamic State group. They claim to have cut the last road out of the city. Government troops, backed by a us led coalition, recaptured the east of the city in late january, after more than 100 days of fighting. Now they say a third of the west, which is almost completely surrounded, has been retaken. But around 600,000 civilians are still believed to be trapped inside. 0ur middle east correspondent 0rla guerin and cameraman nico hameon have been travelling with the iraqi forces. A warning, you may find parts of their report distressing. A rare glimpse of western mosul. Urban warfare on a momentous scale. Caught below, Hundreds Of Thousands of civilians. This is the place where is proclaimed its caliphate. Here it was born, and here Iraqi Forces Say it will die. 0n the ground, they are advancing, but struggling to hold what they capture. They pound is positions. Then, Frantic Gunfire towards