The fall of Ramadi was long in the making, and is only the latest symptom of long-standing dysfunction in the Iraqi government's strategy for Anbar province.
IS militants destroy critical control rooms and production units as pro-government forces battle to retake the remnants of Iraq's largest oil refinery.
After taking Anbar's capital, IS fighters are seizing more territory and threatening the Habbaniya air base, a key staging area for a potential Iraqi counter-attack.
The Islamic State (IS) militant group has destroyed a crucial flow tank at the Ajil oil field near Tikrit, rendering the entire field offline for at least a year.
Tensions rise in northern Salahaddin province after militiamen confiscated vehicles and weapons from Iraqi President Fuad Masum's Kurdish Peshmerga bodyguards.
Days after IS fighters made a devastating incursion into Iraq's largest oil refinery, reinforcements have joined the fight.
A new Oil Police brigade has formed to guard foreign oil companies in Basra, partly in response to a rash of tribal and gang-related violence in recent months.
IS militants now control most of Iraq's largest oil refinery after a relentless offensive that has left pro-government forces in disarray.
Three days after Iraqi leaders declared the country's largest refinery secure, IS militants who control pockets of territory nearby have the facility in their crosshairs.
With a suspect in custody, Kurdistan security council says car bomb was detonated remotely.
