Indian engineers warn of prolonged blackouts amid searing heatwave

Increasing use of fans, air coolers and air conditioners is placing serious' strain on grid in north of country

Engineers in India have warned of the possibility of prolonged power outages in the north, where a heatwave has brought misery for millions of people.

Demand for electricity has soared due to fans, air coolers and air conditioners being run constantly, placing a strain on the grid in Delhi and elsewhere in the north. Manufacturers of air conditioners and air coolers report sales rising by 40-50% compared with last summer.