The images were taken at the Abu Hajr al-Masri training camp, named after a former Egyptian terrorist and is situated in the remote Sinai desert.

All of the fighters appear to be wearing the same matching black robes and beige colored balaclavas to obscure their identity.

They are pictured handling machine guns and practicing military tactics in different formations.

Some of the fighters are shown tackling an assault course, including jumping through burning metal hoops and crawling along the ground, DailyMail reported.

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