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Why is Libya so lawless? In 45 seconds

28 January 2015 Last updated at 12:13 GMT

Almost four years after the overthrow of Muammar Gaddafi, Libya has descended into chaos as militias do battle with each other.

Fighting between groups once on the same side has destroyed vital infrastructure such as the country's main airport and several oil storage facilities.

Here are some of the reasons the country is so lawless - in 45 seconds.

Video produced by Michael Hirst