bbonews A dangerous winter storm has swept across the US, leaving at least 14 people dead and cutting power to hundreds of thousands of homes. Schools and roads across the country have been closed and flights have been cancelled as "life threatening" conditions stretched from Texas to New England, according to the National Weather Service. At least two people died of hypothermia in Louisiana, and other deaths linked to the storm have been reported in Texas, Tennessee and Kansas. As of Sunday afternoon, more than 800,000 households had lost power, according to poweroutage.us. Meanwhile, more than 11,000 flights were cancelled, FlightAware reported.