Tyler Doohan , 8 , alerts relatives to an early - morning fire , and 6 die . He returns to the mobile home to help his disabled grandfather but fails in effort . The single - wide vehicle had no working smoke detector , the chief says .
Tyler Doohan , 8 , alerts relatives to an early-morning fire , and 6 escape . He returns to the mobile home to help his disabled grandfather but dies in effort . The single-wide trailer had no working smoke detector , fire chief says .