Tens of millions of Indonesians have been affected by electricity cuts due to technical problems at a series of power stations. Homes and businesses were left in the dark across at least three provinces, including the capital Jakarta, and transport services were disrupted. Officials said they were still trying to isolate the cause of the problem. But they emphasised that the outage had nothing to do with recent power shortages caused by high oil prices. Indonesia faces an increasing energy crisis, as demand outstrips supply. The government has called people to conserve energy, to reduce demand on the national electrical...