In the US more tornadoes have struck Oklahoma City including the same suburb that was devastated just ten days ago.
Casualties have been reported. A mother and her baby were killed when their vehicle was picked up by the storm on Interstate 40, just west of the city.
The Highway Patrol begged people to get off the road and seek shelter. There have been more scenes of panic as drivers desperately try to avoid dangerous twisters.
An aerial view of the air reveals evidence of more widespread storm damage. The National Weather Service said the centre of Oklahoma state had seen three major storms and it was difficult to know how many tornadoes had touched down.
Tens of thousands of people are said to be without power. The mayor of Moore said it was