Bulletproof white-boards are being introduced in some US schools - in what is being seen as adding a last-resort layer of safety for teachers and students.

The state which rushed the nation’s toughest gun control measure into law after the Connecticut school shootings is carving out an exemption to make sure film and TV producers can stage running gun battles on Manhattan streets.

New York state is poised to be the first in the US to pass tough new gun control measures since last month’s horrifying school shootings.