A string of explosions hit the northern Iraqi city of Kirkuk today, killing several, according to Reuters.
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Bombs struck two Shia religious sites in the city today, said Al Jazeera, while a separate attack on a Kurdish party office north of Baghdad reportedly took the lives of two security force trainees.
Kirkuk, a majority Kurdish city, is the scene of ongoing negotiations between the Kurds and Iraqi government over disputed oil payments.
The area contains some of the world's largest known oil reserves.