DENTON COUNTY, Texas – A roof partially collapsed at a Walmart distribution center in Sanger, Texas, as severe thunderstorms tracked across the Dallas-Fort Worth Metroplex, bringing damaging wind gusts to the area and other parts of North Texas late Sunday afternoon. The Denton County Office of Emergency Management said it received reports of tornadic rotation in the county just before 5:30 p.m. local time. The office said a 40- to 50-foot hole was reported in the roof of the Walmart warehouse. Meanwhile, one person was critically injured during the storm at a nearby RV dealership, McClain’s Longhorn RV, according to the county. Flooding from residual thunderstorms closed local highways in nearby Keller, Texas, on Monday morning.