New twisters rip across Florida and Minnesota as 70 million under heat advisories

New video tonight of a funnel cloud racing across the farmland in southern Minnesota. Warning sirens activated as one stormchaser captured these frightening images of a tornado on the move. The severe weather threat in the Midwest coming less than 24 hours after doorbell video captured a tornado ripping through Largo, Florida.And then this, one of the homes lifted right off its foundation. a 76-year-old woman inside, according to her daughter. In the video, you can hear the home crashing back down.John, I'm ...