November 11, 2010 5:42 pm Chain-Reaction Crash Shuts Down I-30 I-30 leading in and out of Downtown Dallas was shut down for hours Friday after a chain reaction crash involving seven vehicles. 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