We all know that kids today are very tech savvy but perhaps this is taking it a bit too far?

Santie is making children undergo a lie detector test when they are asked whether they have been a good boy or girl.

Children visiting grottos at a number of shopping centres are to be tested with a polygraph before they get to see Santa.

WestQuay, Southampton, Centrale, Croydon and Brent Cross malls will all have polygraphs on hand for those brave enough to try it out.

Katie Tucker, marketing manager at Brent Cross said: "We know that Christmas is a busy time of year for Santa and parents, so we decided to lend both a hand and check if children had really been naughty or nice, to make sure no one is telling fibs.

"The children of Brent Cross proved to be extremely honest, and we look forward to testing the kids of Croydon and Southampton to see how they fare!"