A US official late on Tuesday all but confirmed reports that Iran has conducted air strikes against Islamist militants in eastern Iraq in recent days, but declined to confirm whether Washington and Tehran had co-operated. Military experts believe it is the first confirmation that Iran’s ageing air force has attacked the Islamic State of Iraq and the Levant , known as Isis, since the west began operations against the insurgency forces several months ago, news agencies reported. More On this topic IN Middle East & North Africa Rear Admiral John Kirby, the Pentagon spokesman, told reporters the US was not collaborating with Iran and that it was up to Iraq to ensure Tehran’s actions did not clash with those by the US and its allies. Jane’s Defence Weekly , the defence publication, on Sunday identified what its experts described as an Iranian McDonnell Douglas F-4 Phantom captured in video […]