US celebrities have called for an end to gun violence following the Sandy Hook school shooting in Connecticut.
Jennifer Aniston, Beyonce Knowles, Ellen De Generes and Will Ferrell are among the well-known faces to join the Demand a Plan campaign.
In the black and white video, they ask: "How many more? How many more colleges? How many more classrooms? How many more movie theaters? How many more houses of faith?"
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Labour's billboard posters during the general election campaign will focus on 'issues not personalities', the party's strategist has said.
Scientists find a cluster of spinal neurons integrate sensory data and unconsciously adjust muscles to maintain balance and avoid slipping.
Billionaire businessman Stefano Pessina has said the Labour leader's economic plans are "not helpful for business or the country."