"It was probably the same as the computer games explosion of the '90s - that's the equivalent of what these children were being exposed to, " said Mr Wetherell.

BBC: Northampton

The explosion in computer games had gone hand in hand with an increase in the skills demanded by games, meaning they appealed to adults and well as children.

BBC: Click here to read your favourite Subbuteo memories.

In addition, two Palestinian men, ages 19 and 21, from the Bethlehem area were found dead at the scene of an explosion near the site where the Maccabiah Games are expected to start on Monday, said Israeli police.

CNN: Suicide bomber kills 2 Israeli soldiers