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A frame grab from a video aired in 2006 on Al-Jazeera television shows Al-Qaida second-in-command Ayman Al-Zawahiri.
AFP/AFP via Getty Images
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AFP/AFP via Getty Images
A senior military official has confirmed with NPR that a strike carried out by the U.S. has killed Ayman al-Zawahiri, a top al-Qaida leader and key plotter in the 9/11 attacks. This story will be updated.