There are growing concerns over the rising price of cooking gas as a kilogramme is now sold for between N1,000 and N1,200 in parts of the country. There are also fears that the price may rise further owing to the scarcity of the product, which marketers are attributing to supply disruption. In parts of Lagos Mainland, cooking was yesterday sold for N1,100/kg from N750/kg it was sold last week w...