The Iraqi government quickly capitalized on its victory against the Islamic State in the adjacent city of Hawija and turned its energy on the secessionist Kurds in Kirkuk. The rapid offensive exposes deep fault lines in the anti-Islamic State coalition and within Kurdish politics.

The US government designated two senior Islamic State figures today, saying they are involved in the group’s chemical weapons program. US officials have previously said that so-called caliphate uses a “mustard agent” in its attacks.
