This screen grab from a CNN affiliate video shows storm damage in Sanger, Texas, on May 26. KTVTAt least five people, including children, are dead after a possible tornado struck Texas overnight, as severe storms caused power outages and forced residents to shelter in place across the central United States on Memorial Day weekend.The five fatalities were reported in Cooke County, Texas, and three occurred in one household, Cooke County Sheriff Ray Sappington told CNN on Sunday morning. Two children in the area were reported missing and are still unaccounted for as of Sunday morning.More…