Commuters wait for buses outside a Metro station after Delhi Metro rail services were disrupted following power outage in New Delhi, India, Tuesday, July 31, 2012. A massive blackout hit northern and ... more 
Commuters wait for buses outside a Metro station after Delhi Metro rail services were disrupted following power outage in New Delhi, India, Tuesday, July 31, 2012. A massive blackout hit northern and eastern India on Tuesday afternoon, leaving 600 million people without electricity in one of the world's most widespread power failures. The outage came just a day after India's northern power grid collapsed for several hours leaving cities and villages across eight states powerless.(AP Photo/ Rajesh Kumar Singh) less 
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Associated Press | Photo By Rajesh Kumar Singh
Tue, Jul 31, 2012 5:49 AM EDT