Suspected US school shooter's father bought gun for son as 'Christmas holiday present'

The father of the 14-year-old, who is suspected of having killed four people during a school shooting in Georgia state of the USA on Wednesday, has been arrested with authorities saying he 'knowingly allowed his son' to have the weapon.

USA: Georgia school shooting leaves four dead, suspect taken to custody

At least four people died and nine others were injured after a gunman opened fire at a school in the US state of Georgia on Wednesday.