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Hundreds of millions without power in India

31 July 2012 Last updated at 16:57 BST

Hundreds of millions of people have been left without electricity in northern and eastern India after a massive power breakdown.

More than half the country has been left without power after three grids collapsed, one for a second day.

The country's power minister has blamed the crisis on states drawing too much power from the national grid.

Hundreds of trains have come to a standstill, traffic lights have failed and hospitals are running on backup generators.

The BBC's Rajini Vaidyanathan reports from the streets of Delhi.