Prime Minister Imran Khan approved the "minimum possible increase in prices of petroleum products", his office said. — AFP/File Prime Minister Imran Khan on Thursday approved a hike of Rs2.31 per litre in the price of petrol, a little over one-fifth of what the Oil & Gas Regulatory Authority (Ogra) had sought, while keeping in view "relief" for the public, according to an official statement. The premier also approved an increase of Rs1.80 per litre in the price of high-speed diesel (HSD). The price of kerosene and light diesel oil (LDO), meanwhile, were jacked up by Rs3.36 per litre and Rs3...