This weekend’s winter storm and ensuing bitter cold have left at least 25 people dead and caused prolonged power outages for hundreds of thousands, particularly across the southern US.

Oil prices edged up on Tuesday as a massive winter storm hit crude production and affected refineries on the U.S. Gulf Coast.

Winter storm: Death toll rises as winter storm continues dumping snow across the U.S Heavy snow, sleet and freezing rain are slamming large parts of the U.S. as the dangerously cold weather causes major power outages and travel disruptions.