June 11, 2013 2:26 pm Caught on Video: Explosion Lifts Roof Off School Gym An explosion linked to a water heater lifts the roof off a school gym on Tuesday, June 11, 2013. Surveillance video at Santa Ana Valley High School captured the blast as student ran for cover. US & World Videos 9:22 Mississippi nonprofit tackles poverty head-on through radical approach 1:49 Jay Leno and wife Mavis step out on a date night following her dementia diagnosis 5:44 Drake Bell talks overcoming substance abuse and his darkest moments 1:42 Emily Blunt says her daughters were impressed by Taylor Swift's praise for her and Ryan Gosling's ‘SNL' song 3:47 Ryan Gosling and Mikey Day dress as ‘SNL's' ‘Beavis & Butt-Head' for ‘The Fall Guy' premiere