Three people were killed in an explosion and fire in a house in the Czech town of Ceske Budejovice on Thursday, the dead are a man, a woman and little boy, said Czech regional police spokesman Miroslav Doubek.

Doubek said they had ordered autopsy for all the victims. The causes of the accident are being investigated.

The woman and child were found by firefighters in a final survey of the building after the fire was extinguished. The victims were residents of the house.

Doubek said that a structural engineer has said the house is unstable. If does not collapse in the moments to come, it will be certainly torn down.

The street where the house locates will be closed for at least two days. Traffic on the street was diverted onto surrounding roads, trams were replaced by buses.