Newtown shootings: Minute silence
21 December 2012 Last updated at 05:21 GMT
People across the United States will observe a moment of silence today, exactly one week after a gunman killed twenty children and six members of staff at a primary school in Connecticut.
20-year-old Adam Lanza carried out the attack in Newtown after killing his mother and later shot himself dead.
Steve Kingstone reports from Washington.