For the safety of up to 150 thousand civilians who could be trapped in the last enclave of mosul. Its held by the so called islamic sate. But the iraqi army is closing in. As it does the Un Humanitarian Co ordinator in the country says civilains are at extreme almost unimaginable risk. More on that in a moment. But first, our correspondent 0rla guerin reports from the front line in mosuls old city. Shes with Cameraman Nicholas Hameon and producer firle davies. A warning her report contains distressing images. A journey to the front line. 0ur windscreen, a reminder of the dangers ahead. 0ur escort, from iraqs elite Counter Terrorism force. Snaking forward towards an enemy that is still inflicting casualties. Like this wounded soldier, being rushed away as we arrived. And families fleeing too. 0n foot. Escaping hunger and fear, and a beloved city robbed of life. No food. No water. Mosul dead. This is the old city area, it is really the heart of the battle, and when you look around here y