As of March 7, the fires in Argentina's northern province of Rio Negro had burned at least 100 hectares of land in the region, while the fire remained out of control due to strong winds.。The relevant departments had to evacuate the surrounding residents.。Currently released video shows firefighters still using hoses with helicopter sprinklers。The head of the relevant department said the plane could only operate in the morning, making it more difficult to fight the fire and endangering the lives of surrounding residents, and the service had to start evacuating residents.。The chief said he had received a report of damage to a house.。At present, about 200 firefighters are fighting the scene。A 30-year-old man has been detained in connection with the fire.。According to the information currently available, the fire is most likely arson。