Beer producers have warned of possible shortages due to a lack of CO2 production. One of the UK's two main suppliers of CO2 is currently undertaking planned maintenance, whilst European suppliers have seen an increase in demand during the month-long FIFA World Cup tournament. Brigid Simmonds of the British Beer and Pub Association said that, whilst they are aware of the situation, they are hoping to be able to move forward in a couple of weeks and that the problem will be solved Report by Jonesia. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn