Tonight, a brutal cold snap plunging 78 million Americans under cold weather alerts. Parts of Massachusetts seeing more than a foot of snow in the past 24 hours. This car going through the ice on a lake.Incredibly, police say no one was hurt. And a dramatic helicopter rescue after three people fell through the ice off New York City. You can see a member of the scuba team pulling someone out of the freezing water to safety.In Butler County, Pennsylvania, this multi-car pileup blamed for at least one death. A ...

deadly and potentially historic winter storm slamming millions of us across the country. It is a triple threat of snow, of ice, and this life-threatening arctic cold that's going to stick around for days. Want to show you here.You're seeing some of these pictures we're getting in. Let me see if we can get a live look here. This is Boston.It is really coming down out there. We show you the latest track with the system taking aim at the Mid-Atlantic. That's New York on the left, by the way, too, live.And if y ...