An explosion ripped through a military vehicle in the southern Yemeni town of Zinjibar May 4, killing five soldiers, while four civilians died in the ensuing firefight. The blast hit the vehicle close to a busy market selling khat, the mildly stimulating leaf (considered haram by al-Qaeda). The blast came hours after an unnamed leader of al-Qaeda in the Arabian Peninsula (AQAP) vowed revenge for the killing of Osama bin Laden. "We will take revenge for the death of our Sheikh Osama bin Laden and we will prove this to the enemies of God," the spokesman told AFP, contacted by telephone from Yemen's southern province of Abyand. "The martyrdom of Sheikh Osama does not mean that jihad will end." (AP, AFP, May 4)

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