Presenter Sebastian Walker explains why the rebels are willing to take up antiquated arms in this video extra from The US and the new Middle East: Libya.

"I think most of these weapons are ones that have been liberated from the Gaddafi forces .... Some of [the guns] date back to the Second World War."

 
The US and the new Middle East: Libya airs from Monday, July 18, at the following times GMT: Monday: 2230; Tuesday: 0930; Wednesday: 0330; Thursday: 1630.

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Source: Al Jazeera