Flash Floods.

Flash flooding swept seven vehicles off an interstate highway, killing four children, three of them strapped inside a minivan that was dragged for more than a mile by the rushing water. Rescuers on Sunday were still searching for the children's mother and a driver from Texas. Everyone was accounted for in the other five vehicles that were swept off the roadway in eastern Kansas when torrential rain sent a creek spilling over Interstate 35 late Saturday, …

…washed out chunks of the interstate and swept some of the heavy concrete barriers - which weigh between 10,000 and 12,000 pounds - 50 to 60 yards from the roadway, and the abandoned vehicles could be seen strewn about the valley. Saturday's storm had earlier hit Dodge City, in southwest Kansas, dropping 4 to 7 inches of rain and stranding motorists in high water. "We've seen some of the vehicles floating down the road," said Dodge City Police Sgt. Steven George.