Al-Qaeda threatens to use Pakistan's nuclear weapons against the United States

Al-Qaeda's third-in-command has told Al Jazeera that the group would use Pakistan's nuclear weapons against the US if it gained access to them.Pakistan has been battling the Taliban and its al-Qaeda allies in the Swat valley and tribal areas in the northwest since April when fighters took hold of a region just 100km away from the capital, Islamabad.

"By God's will, the Americans will not seize the Muslims' nuclear weapons and we pray that the Muslims will have these weapons and they will be used against the Americans," Mustafa Abul-Yazeed, al-Qaeda's leader in Afghanistan, said in an exclusive interview that aired on Sunday....[Story continued here]

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Watch Al-Jazeera's exclusive interview with Mustafa Abul-Yazeed, al-Qaeda's third in command, who gives a rare insight into the group's campaign. Al Jazeera's Shiulie Ghosh discusses the claims with Michael Griffin, an expert on al-Qaeda based in London.