Still image from video shows Al Qaeda's second-in-command Ayman al-Zawahri speaking from an unknown location

 
Still image from video shows Al Qaeda
EDITOR'S NOTE: REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE CONTENT OF THE VIDEO FROM WHICH THIS STILL IMAGE WAS TAKEN. Al Qaeda's second-in-command Ayman al-Zawahri speaks from an unknown location, in this still image taken from video uploaded on a social media website June 8, 2011. REUTERS/Social Media Website via Reuters TV