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Russian and Iranian officials have said the IS leader is dead but the US has disagreed |
Islamic State militants have released what appears to be an audio recording of their leader, Abu Bakr al-Baghdadi.
He also talks of battles for IS strongholds like Mosul, which was regained by Iraqi forces in July. Baghdadi, who has a $25m (£19m) US bounty on his head, has not been seen in public since July 2014, leading to much speculation about his fate.
The last time he appeared was to preach at the Great Mosque of al-Nuri in Mosul after IS overran the city and a "caliphate" was proclaimed.
Asked about the audio, a spokesman for US forces fighting IS, Ryan Dillon, said "without verifiable evidence of his death, we have continued to assume that he is alive".
A defence department spokesman told the BBC: "We are aware of the audio tape purported to be of Abu Bakr al-Baghdadi and are taking steps to examine it. While we have no reason to doubt its authenticity, we do not have verification at this point."
The militant Sunni Muslim group IS, which earned notoriety for its brutal violence towards civilians and prisoners, has been steadily pushed back in Iraq and Syria this year.
