More than 750 people were injured when a meteor shower hit central Russia.
Explosions were heard, windows shattered and buildings were damaged around 9 o clock local time.
Around 20,000 rescue workers have been dispatched to help the injured and to find those needing help.
ITV News correspondent Paul Davies reports:
Where did it come from? What was it made of? What can be done if we know a meteor or asteroid is going to hit Earth?
A look at some of the best video from the Russian Meteor. More than 400 people were injured after it flew over a Russian city.