Power cut out across much of Chile, including the capital Santiago as well as several copper mines, on Saturday 24 September for about two hours in most areas.

Energy Minister Rodrigo said the cause of the outage was unknown but computers that help run the energy grid had also malfunctioned. The blackout mainly hit the centre of Chile, home to almost 10 million of its 16 million inhabitants.

President Sebastian Pinera has been accused of under-investing in infrastructure, which was devastated by a powerful earthquake in 2010.

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