Show Firecracker Starts f Denver Fire DENVER ENVER Colo July 6 AP AP- AP Fire b believed to have been started 1 by y firecracker early Y yesterday destroyed the story five Neef Neet Brewery building here Three firemen w were re injured fighting the flames Virtually the entire Denver fire department was summoned to the blaze The damage Is estimated at at The fire d department officials after atter an Investigation stated there were evidences that a large tire tire- cracker ck r had been peen exploded In a lower Ve o floor Ioor of ot the structure ure I 1 i 0 c j i I vl J rI |