Fuel poverty campaigners have written to Prime Minister David Cameron demanding that party leaders act on the "national crisis" of cold homes.
The UK is second only to Estonia among European nations for the number of people who are struggling to pay their energy bills, according to research by the fuel poverty alliance Energy Bill Revolution found.
The alliance, which includes Age UK, Barnardo's, Consumer Futures and National Energy Action, has told leaders that investment in "super insulation" for the nation's homes is the only way to end the "scourge" of fuel poverty and the best way to bring down energy bills.
More top news
A transgender inmate has been found dead at Woodhill Prison in Milton Keynes.
Lexxie Harford has received hundreds of positive comments online after she decided to take social media to display her birthmark.
The opt-out system and the great generosity of families like Richard Taylor's brings great hope to those waiting for an organ transplant.