In the run-up to polling day, angry federalists in eastern Libya who want more power for the oil-rich coastal province of Cyrenaica (Barqa in Arabic) stormed several polling centres in Benghazi, the main city of the east, where the revolt against Qaddafi began a year and a half ago, and blockaded oil terminals.

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We are just beginning to see the power of social media on polling, on elections and voting.

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This comes after weeks of spotty polling, in which wide-scale power outages and destruction made it difficult to find a truly random opinion sample.

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Power and Associates told me that its own polling comes to similar conclusions.

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Utility companies know the polling locations and dispatch repair crews to them after restoring power to top-priority locations such as hospitals, Mr. Ruman said.

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The polling comes two years after former president Jean-Bertrand Aristide was forced from power.

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