Two senior Isis commanders have been killed by US and coalition air strikes in northern Iraq over the past week, US officials said on Thursday.
The loss of such high-ranking members of its leadership was affecting the ability of militants from the Islamic State of Iraq and the Levant to conduct military operations, the officials said.
The news represents a rare claim of success by the US military in its campaign in Iraq and Syria, which has concentrated largely on preventing further Isis advances while Iraqi forces prepare for a ground offensive next year.
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