London- Five Pakistanis were reported to be killed when a fire broke out in a house located in Sheffield area of London, British officials said today. According to sources, the incident took place in a house located at Wake Road, Sheffield. Five Pakistanis including 3 children and 2 women were burnt to death as fire erupted due to unknown reasons. Rescue and fire tenders put out the fire and recovered the dead bodies. It was further reported that twenty firefighters tackled the blaze which began shortly after midnight.