SANTA ANA, Calif. (KTLA) -- Four students were hospitalized Tuesday following a boiler room explosion at a high school in Santa Ana. School was in session when the blast lifted the roof of the ... more 
SANTA ANA, Calif. (KTLA) -- Four students were hospitalized Tuesday following a boiler room explosion at a high school in Santa Ana. School was in session when the blast lifted the roof of the gymnasium at Valley High School just after 7:30 a.m. Four students were sitting on a bench outside the building when the boiler room exploded. less 
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KTLA - Los Angeles
Tue, Jun 11, 2013 9:47 PM EDT