The energy regulator Ofgem has written an open letter to the Big Six energy companies asking them to explain to customers why their bills have not fallen despite a drop in wholesale energy prices.
But the firms are saying it is more complicated than it would seem because much more than wholesale pricing goes into making up the cost of our bills.
The government said the companies would do well to listen to the letter or face action - the toughest of which would be a full competition inquiry.
More top news
The former Top Gear also revealed his cancer scare just two days before the fracas which led to his sacking.
Tonight will start off clear in many areas, but cloud will increase from the east overnight, bringing some light and patchy rain.
Defending champions Arsenal squeezed into the FA Cup final despite a spirited fightback from Reading, who forced extra-time