Walkers Crisps have come under fire after consumers banded together to post back their empty crisp packets in order to put pressure on the PepsiCo owned company to make their crisp packets recyclable. Royal Mail have received thousands of empty packets and have asked for the crisp packets to be posted in envelops to make it easier for their staff to sort them. Report by Gyanen. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn