A security guard walks past an exit door as he waits for the power to return after a blackout during the FIBA Americas Championship basketball game between Paraguay and Dominican Republic in Caracas
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Blackout leaves Venezuela in the dark

4 September 2013 Last updated at 14:00 BST

A massive power cut has left 70% of Venezuela without electricity, including parts of the capital Caracas.

The blackout disabled traffic lights in the capital city of Caracas and partially disrupted the underground transport system.

Ian Booth reports.