The leader of the Islamist militant group Isis has purportedly led Friday prayers at Mosul's Nuriddin Mosque this week. It is believed to be the first time notoriously secretive jihadi Abu Bakr al-Baghdadi has made such an appearance in public.
Video footage emerged on YouTube of a man reported to be al-Baghdadi, talking about Islam and reading out different paragraphs of the Qur'an. He called on Muslims to join Islam and fight for their rights.
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