Candles left in memory of those killed
Media playback is unsupported on your device
Video

Newtown shootings: Minute silence

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.

Go to next video: Obama calls for 'action' on guns