WPP boss Sir Martin Sorrell brands a pro-Brexit vote a potential disaster

A day ahead of the UK electorate taking to the polls to decide the country's fate over EU membership, WPP boss Sir Martin Sorrell used a Cannes Lions stage to voice his opinion on the matter.  
Speaking on a panel hosted by his organisation's ad tech hub Xaxis, he branded a pro-Brexit vote a potential disaster for the UK economy, adding that he would "shudder to think" what the consequences would be if that were the outcome of tomorrow's referendum. 
Sir Martin explained that