An explosion and five-alarm fire at a Waukesha County construction firm has injured six people and was fought by more than 100 firefighters from 30 departments.
Two of the six injured had to be hospitalized.
Three of the six were firefighters and the rest were employees of Somerset Marine Construction in the Village of Eagle.
The computer makes piers and docks.
A 9-1-1 caller told dispatchers the explosion blew the roof off the building.
There has been no information about what caused the explosion.