How will Obama's anti-IS coalition work?
From wealthy donors to oil sales - Islamic State's power comes from diverse sources, says Michael Stephens
- Iraqi forces 'break siege' of Amerli01:58
- Kurdish father's grief at son's death03:06
- Kurds make gains against Islamic State02:29
- What is a caliphate? In 90 seconds01:30
- Iraqi baby girl named 'refugee'03:14
- Close-up: Mosul dam retaken from IS01:13
- Iraq refugees in 'windswept dustbowl'02:44
- The harsh reality for Yazidi refugees02:13
- Refugee boy 'abandoned in desert'03:11
- IS militants 'not amateur jihadists'02:43
- BBC gains access to Mount Sinjar 02:47
- Refugees told of Yazidi massacre01:10
- Yazidis on the escape from Sinjar01:44
- US and UK 'responsible' for Iraq 02:24
- What aid is UK sending to Iraq?01:28
- The ideology of Islamic State03:14
- Sniper footage shows battle against Isis03:47
- Raw video of BBC under ISIS attack04:56
Features and Analysis
The background to the latest insurgency
Will a US-led coalition last long enough to thwart IS?
Shootings, beheadings, stonings - can IS savagery be explained?
The rise and tactics of the ultra-violent Islamist group
Sunni rebels signal readiness to revolt
Time for West to support the 'other' Kurds?
Air strikes, aid drops and 200,000 new refugees
What is the strategic goal for the US is in Iraq?
How Islamic State could use the Mosul Dam to control Iraq
Why Iran's leaders may have run out of patience with Iraqi PM
What are risks of the UK taking military action in the Iraq?
US back on Iraq's frontline amid fears of humanitarian catastrophe
Yazidi refugees tell of horrors as they flee militants in Iraq
The Kurdish fighters facing Islamist militants
Nominee for PM Haider al-Abadi profiled
Why Isis is waging a thoroughly modern jihad
Meeting the fearsome Shia militia vowing to defeat jihadists