US embassy in Manama, Bahrain
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US embassy closures: How big is the al-Qaeda threat?

5 August 2013 Last updated at 17:42 BST

The US says it will keep a number of embassies in North Africa and the Middle East closed until Saturday, due to a possible militant threat.

The State Department in Washington says "an abundance of caution" has been its guiding principle.

So what is the scale of the threat from al-Qaeda?