Exclusive survey for The Sun showed a sharp spike in the number of people still undecided about whether to vote in favor of or against Brexit. The exclusive ComRes survey shows the number, who still don’t know whether to back Remain or Leave has gone up by 6% since last month to 17%. Remain vote has maintained its 7% lead since last month. 45% say they will vote to stay in the European Union and 38% want to leave. For more information, read our latest forex news.