At least 600 wooden houses have been destroyed in a fire in northern Brazil, authorities said.

Four people were injured in the blaze in the low-income Educandos district of the city of Manaus. No deaths were reported.

Brazil fire
Devastation in Manaus, Brazil (Edmar Barros/AP)

Public security chief Amadeu Soares said the fire might have been started by the explosion of a pressure cooker.