Winter storm brings tornadoes and blizzards to US

  • 27 December 2012
Teenager snowboards down road in Pennsylvania

A powerful winter storm has brought tornadoes and blizzards to large parts of America, especially the south and Midwest.

At least seven people have been killed by the storm, which is heading north-east towards the states of New York and Maine.

Almost half a metre of snow is expected there in the next 24 hours.

Image caption People clear their cars and streets of snow in Carbondale, Illinois state

People are being told to stay at home and avoid the freezing temperatures.

More than 200,000 people are without power and hundreds of flights have been cancelled.

Image caption Nasa satellite image of the storm over the US east coast

Little Rock in Arkansas state saw its first snow on Christmas Day in 83 years.

A state of emergency has been declared in Mississippi and Alabama.