Colorado shootings: 'We heard boom, boom, boom'
A gunman has killed 10 people, including a police officer, in the…
'Sonic boom' in Dorset blamed on 'fireball meteor'
People in parts of south-west England report seeing a "streak of light"…
Mystery as 'sonic boom' noise shakes homes in south west
The Ministry of Defence says the "massive bang" is not thought to…
