Breaking overnight, one person known dead and at least two others injured after more than a dozen tornados tore across the upper midwest. Western minnesota was hit especially hard. Several homes there have been destroyed or damaged. Forecasters say a system off the coast of North Carolina is likely to become Tropical Storm fay. Its expected to move up the coast today and tomorrow. Turning now to a very different kind of summertime threat that may be lurking right in your own backyard. Its a story we report practically every summer. Its sad that we have to report it with so many parents now distracted with working from home, the government is sounding a new alarm about swimming pools. Heres abcs diane macedo. Reporter ashley considers herself lucky. With camps closing because of covid19, this pennsylvania mother of two managed to buy an aboveground pool. Im pretty sure we got the last aboveground pool available in north america. Reporter according to industry estimates, pool sales have