Firefighters tackle a house fire in Invercargill on Sunday afternoon. The house in Ythan St had been well ablaze when they arrived at the scene, a Fire and Emergency New Zealand (Fenz) spokesman said. Fenz received a call just before 3pm, the fire was extinguished and the final crew left about three hours later, he said.  There was extensive damage to the house. An investigator was looking into the cause of the fire. Photo: Taylor Mutton