Tensions are high in Kirkuk, where the results of a parliamentary election in May are being disputed by the Turkmen and Arab communities after a Kurdish party appeared to have won.
In Ankara's recent talks with Baghdad, the fight against the PKK in Iraq and reconstruction of the country top the agenda. But how and for how long has the PKK been based in Iraq, Turkey's neighbouring country in the southeast? We break it down:
Since the fall of Saddam Hussein, consecutive governments have failed to solve the ethnic crisis in the city of Kirkuk, and last year's failed northern Iraq independence referendum has not improved the situation.
Iraq's parliament on Saturday adopted an $88.5 billion budget for 2018, with Kurdish lawmakers boycotting the vote to protest against a cut in the amount allocated to their autonomous region.
Deal comes after Iraqi government forces take back the oil fields under the KRG's Peshmerga forces, who had occupied Kirkuk in 2014 to prevent the city from falling to Daesh.
The ongoing conflict in Iraq has displaced millions of people and destroyed much of what they had left behind.
Kurds in northern Iraq voted overwhelmingly for administrative independence in a referendum in September, defying the central government in Baghdad. Iraq's supreme court ruled that no Iraqi province could secede.
Iraqi Prime minister Haider al Abadi urges the country's northern semi-autonomous Kurdish region to abide by the court ruling.
Stepping down after 12 years in office, Masoud Barzani leaves behind a region in flux following his decision to hold a referendum on administrative independence for the KRG.
The Ibrahim Khalil crossing is a vital supply route for northern Iraq's Kurdish Regional Government from Turkey.
Barzani sent a letter to the KRG parliament asking to distribute his powers among the regional government.
Baghdad 's seizure of Kirkuk and swathes of northern Iraq has left the Kurds defeated, divided and displaced.
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