In a purported video released online by the militant group ISIS on Saturday, a man believed to be the group's leader, Abu Bakr al-Baghdadi, is shown leading a sermon inside a mosque and is calling for all Muslims to obey him.
The video appears to have been shot in a mosque in Mosul, Iraq. CNN cannot independently verify the authenticity of the video.
ISIS, the Islamic State in Iraq and Syria. The Iraqi government has been battling the militant group, which refers to itself as "Islamic State."
The man delivering the sermon is heard saying: "I am being entrusted with this heavy burden and duty to be your Imam, although I am not the best one among you, therefore if you see me Righteous, you should help me and if you see me wrong, you should advise me and help me. Obey me as long as long as I obey God in ruling you."
The video also shows dozens of listening to the sermon and praying as well as men appearing to be bodyguards. Several automatic weapons can be seen displayed near the man delivering the sermon.