Tucson Fire said crews responded to a house fire in the 1500 block of West Roger Road.
Officials say the call came in at 6:14 p.m. Rescue 8 arrived just four minutes later, reporting a large single-story duplex on fire and several explosions coming from the yard.
One unit of the duplex was fully involved when firefighters arrived. Crews initially took a defensive approach, attacking the flames from outside before moving into the structure once the fire was knocked down. Neighboring units were evacuated as a precaution…