COLOMBO, May 24 — Sri Lanka hiked petrol prices by 20 per cent-24 per cent today and also increased diesel prices by 35 per cent-38 per cent, Power and Energy Minister Kanchana Wijesekera said.In a message on Twitter, Wijesekera said government-set transport and other service charges will also increase correspondingly. "Work from home will be encouraged to minimize the use of fuel and to manage the energy crisis,” he added. — Reuters