Energy regulator Ofgem has said it is "extremely concerned" after almost 200 vulnerable people have been left without gas amid the freezing cold temperatures.
Residents in the Stannington area of Sheffield have been without gas heating and cooking appliances for more than a week after a water main burst last Friday, forcing huge amounts of water into the gas network.
Despite temperatures dipping below zero, on Saturday morning 340 people had been without gas supply for a week, in what Ofgem called an "extremely difficult situation".