At that time, the company also provided emergency relief kits and free inspection services for flood-damaged home appliances.
Another 26 people were injured, and around 27,000 residents were evacuated from their homes.
Three people each died in Cheongsong and Andong.
A firefighting helicopter crashed in Uiseong while attempting to extinguish flames, killing the pilot.
On March 22, four members of a firefighting crew died while battling blazes in Sancheong, South Gyeongsang.
Among the 26 injured, 12 suffered serious injuries while 14 sustained minor wounds.
Many of the deceased were senior citizens who were unable to escape the flames in time.
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