Zawahiri revealed "for those who do not know" that Saudi-born bin Laden was left blind in his right eye after an accident during his youth.
He also claimed that the terrorist mastermind was expelled from the Saudi branch of the Muslim Brotherhood for insisting on waging jihad, holy war, against the Soviet Union in Afghanistan, the Daily Mail reported.
It is claimed that bin Laden travelled to the Pakistani city of Peshawar, near the border with Afghanistan, to deliver cash to the Taliban, but then defied the Brotherhood's orders to join the armed struggle.
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