July 23, 2012 7:42 am Firefighters Treated for Heat Exhaustion While Battling Flames Four firefighters were treated for heat exhaustion while battling a house fire in Dallas Monday morning. Wake Up to Something Good 2:25 Superintendents work to improve safety in North Texas schools 3:37 Texas tornadoes caught on video 7:16 Severe storms bring tornadoes, flash flooding, hail and lightning to North Texas 4:27 ‘My house, gone,' Texas resident recounts returning home after reports of a tornado 1:12 WATCH: Texas gorilla caught ticking her baby during adorable mother-son moment