Ayman al-Zawahiri, Osama Bin Laden’s Deputy, Releases Video Vowing Revenge for Bin Laden’s Death.

Appearing to assume the role as the new leader of al Qaeda, the former number two Ayman al-Zawahiri vowed to avenge the death of Osama bin Laden “blood for blood” in another day like 9/11, in a video posted on the internet Wednesday morning.

The 28-minute video is the first statement from the 59-year-old al-Zawahiri, an Egyptian doctor, to acknowledge the death of bin Laden, killed in a U.S. Navy SEAL raid into Pakistan last month. Looking aged, and at times angry, al-Zawahiri used a chopping motion with his hands and urged his followers to remember the 9/11 attacks against America, saying the attack “destroyed the symbol of American economy in New York and the symbol of American military might in the Pentagon.”

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