His death, reported by the respected Turkish daily Yenis Safak, would be a major blow for the terrorists and comes only days after 49 innocent people were killed in an Orlando nightclub by a man pledging allegiance to ISIS.

But there have previously been reports that al-Baghdadi, who proclaimed himself caliph of all Muslims two years ago, has been killed or wounded, which turned out to be untrue.

The Abna24 website said al-Baghdadi had been killed on Sunday morning by an air strike in Syria.

However, there has been no confirmation of his death by the US or any other coalition powers, who have been targeting the terror group in Syria and Iraq.

A Pentagon spokesman told MailOnline they were not aware of any 'high value targets' having been killed.

In the past year, Baghdadi has been reported wounded multiple times. Last year there were two reports that Baghdadi had been wounded in air strikes, but they turned out to be inaccurate.

He also escaped death in December when US jets attacked a two-car convoy on the outskirts of Mosul, Daily Mail reported.

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