This live blog is now closed. You can read our latest reporting below:US winter storm leaves four dead as millions hit by snow, ice and bitter coldTell us how you have been affected by Winter Storm BlairThe appeals for people to stay inside come amid forecasts of bone-chilling temperatures.Associated Press reports that the eastern two-thirds of the US will experience dangerous cold and wind chills with forecasters saying temperatures could be well below normal. In Chicago, temperatures hovered on Sunday as low as -10C and dropped to -11C in International Falls, Minnesota, on the Canadian border. Continue reading...