AUSTIN, Texas (KTRK) -- Severe storms pushed through southeast Texas overnight. While we saw high water spots in the Houston area, the real damage was seen across central Texas. In Jack County, Jacksboro High School students and staff were inside the building when a radar-confirmed tornado hit the area and caused the gym's roof to cave in. The National Weather Service confirmed the tornado hit late Monday afternoon. Aerial shots show noticeable damage, including mangled metal pieces, in the town. Officials reported 60 to 80 homes were damaged in the storm. There was a total of four rescues and all had minor injuries, according to officials. Luckily, no deaths were reported. Jack County is just 60 miles northwest of Fort Worth. At a Walmart in Round Rock, video shows people running inside for cover as a possible tornado approached. "Get inside, get inside! Run, run, run," a shopper can be heard yelling in the video. Tornado at Round Rock Walmart. I don't get paid ...