Coalition engages well dug-in Isis miliants at close-quarters in maze of alleyways

Location of wanted ‘caliph’ unknown, but sources believe leader lying low in the desert

Militants remaining in Iraqi city captured in June 2014 are there to fight to the death

US troops in more visible support role in new phase of operation to recapture city from Isis

Pro-government forces push into eastern districts where battle has been deadlocked

Analysis: Defeat of the terror group could lead to the return of al-Qaeda in Syria and Iraq

Militant group carrying out mass executions as Kurdish and Iraqi forces close in on Mosul

Analysis: Scores of villagers used as human shields and oil wells set alight

Dozens reportedly executed in village to deter people from helping US-led offensive

Fighting expected to intensify with up to one million people estimated to be uprooted

Iraq’s second largest city has been under the control of Islamic State since June 2014

About 90 villages recaptured around Iraqi city as assault against Isis continues

Turkish and Iraqi governments’ dispute casts pall on effort to oust Islamic State

Hundreds left with breathing issues after Islamic State set plant ablaze near Mosul

Iraqi and Kurdish forces say they have taken 20 villages near Mosul as assault advances

Ground troops supported by US-led air strikes seek to retake city from Islamic State

Assault to recapture city from Islamic State may see as many as 700,000 civilians flee

The city is Baghdad’s chief strategic, political and economic objective in the struggle for Iraq

Offensive to push Isis out of Iraq’s second-largest city nearly ready to start

Fighters capture strategic river crossing in Iraq backed by US-led coalition air strikes