Images of the Apophis asteroid are currently being streamed live on Slooh.com.
There is a one in 25,000 chance the asteroid could hit the Earth in 2013.
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Rain will spread southeastwards through N. Ireland, Wales and England overnight.
The woman used her daughter's own Facebook page to live-stream the attack after the teenager posted provocative pictures online.
A senior employee at the organisation reportedly derided the three-year-old royal for being 'royal, rich' and "advantaged'.